Weakness (CWE)
CWE-697: Incorrect Comparison
The product compares two entities in a security-relevant context, but the comparison is incorrect.
Source: MITRE CWE-697
145 results · Feed
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Critical 9.0
Certificate Name Authorization Bypass
Incorrect authorization in the certificate-name matching of trapperkeeper-authorization, as used by Puppet Server, in the affected products, allows a client that holds a CA-signed certificate whose name extends or shortens an authorized hostname to be authori…
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Medium 5.3
ZoneMinder failed token handling bypasses web authentication
ZoneMinder is a free, open source closed-circuit television software application. In versions 1.34.0 through 1.36.38, the web interface mishandles failed token authentication in web/includes/auth.php. validateToken() returns false when a token is malformed or…
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High 7.3
itsmeravitejak Online-Examination-System Session session.php checkLogin comparison
A security vulnerability has been detected in itsmeravitejak Online-Examination-System up to e6208e630b14657999bbfe4c9912302d2a1e2449. The impacted element is the function Session::checkLogin of the file include/session.php of the component Session Handler. S…
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High 8.8
Incorrect comparison in Fonts in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to potentially execute …
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Medium 6.9
CMS key-transport recipient key-size validation never runs for RFC 9709 HKDF-derived keys
In Bouncy Castle for Java before 1.86, the opt-in key-size validation on CMS key-transport recipients, org.bouncycastle.cms.jcajce.JceKeyTransRecipient.setKeySizeValidation(true), never ran for a message using RFC 9709 content-encryption key derivation (id-al…
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High 7.1
mDNS string-cache lookup matches on slot size, so a peer name aliases a shorter one and the response encoder writes past the packet
In Eclipse ThreadX NetX Duo versions up to and including 6.5.2.202603, the mDNS add-on's string cache accepts a shorter name as a match for a longer stored one. A host on the local link can send two mDNS records that make a device performing continuous servic…
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Medium 6.3
ip-address: Address6.isLinkLocal() recognizes fe80::/64 rather than fe80::/10, allowing SSRF and trust-boundary bypass to on-link hosts
ip-address is a library for parsing and manipulating IPv4 and IPv6 addresses in JavaScript. Prior to 10.5.1, the Address6 isLinkLocal method in src/ipv6.ts recognizes only fe80::/64 instead of the complete fe80::/10 IPv6 link-local range. An attacker-controll…
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Medium 6.3
ip-address: isInSubnet() and isHostInSubnet() compare addresses of different families as if they shared an address space, allowing an allowlist check to admit an address outside its range
ip-address is a library for parsing and manipulating IPv4 and IPv6 addresses in JavaScript. Prior to 10.7.1, the isInSubnet and isHostInSubnet methods in src/common.ts compare masked binary strings without validating that both operands use the same IP family.…
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Medium 4.8
InvoicePlane: Loose Type Comparison in Core Authentication Check (Defense-in-Depth)
InvoicePlane is a self-hosted open source application for managing invoices, clients, and payments. Prior to 1.7.2, InvoicePlane's User_Controller compares the session user_type value with the required role by using PHP's loose inequality operator. Under a no…
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Medium 6.5
Cloudreve: SSRF guard bypass: checkIP does not decode IPv6-transition wrappers (NAT64, IPv4-compatible, 6to4) reaching internal and cloud-metadata addresses
Cloudreve is a self-hosted file management and sharing system. Prior to 4.18.0, the ValidateExternalURL server-side request forgery guard in pkg/request/ssrf.go passes resolved addresses to checkIP without decoding NAT64, IPv4-compatible, and 6to4 IPv4-in-IPv…
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Medium 4.3
olivier-ls PHP-FTS Filter Matching SearchEngine.php matchesSingleFilter comparison
A vulnerability has been found in olivier-ls PHP-FTS up to 1.1.3. This affects the function SearchEngine::matchesSingleFilter of the file src/SearchEngine.php of the component Filter Matching. The manipulation leads to incorrect comparison. Remote exploitatio…
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Medium 5.9
Suricata flow: IPv4/IPv6 hash collision can reuse wrong flow state
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.17 and 8.0.6, src/flow-hash.c can treat an IPv4 and IPv6 flow as equal without comparing the IP family when their raw address wo…
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Medium 5.3
Suricata ippair: hash collision can cause incorrect state reuse across IPv4 and IPv6
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.17 and 8.0.6, crafted IPv4 and IPv6 address pairs can collide in the IPPair hash because src/ippair.c did not compare the IP add…
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Medium 6.8
Capsule: hostnameRegexHandler.OnUpdate validates stale (old) Tenant regex, allowing invalid AllowedHostnames regex to bypass webhook validation
Capsule is a multi-tenancy and policy-based framework for Kubernetes. From 0.13.0 until 0.13.7, hostnameRegexHandler.OnUpdate in internal/webhook/tenant/validation/hostname_regex.go reverses the new and old Tenant parameters and validates the previous Allowed…
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High 7.1
Capsule: Tenant owner bypasses Capsule's forbidden namespace/service/node label and annotation enforcement
Capsule is a multi-tenancy and policy-based framework for Kubernetes. Prior to 0.13.7, ForbiddenListSpec.ExactMatch in pkg/api/forbidden_list.go sorts denied metadata keys case-insensitively and then uses sort.SearchStrings, which assumes byte-order sorting. …
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Medium 5.3
Clean Login < 1.19 - Unauthenticated CAPTCHA Bypass via Empty Session Comparison
The Clean Login WordPress plugin before 1.19 does not verify its registration CAPTCHA when the stored session value is empty, allowing unauthenticated users to bypass the anti-automation control on the registration form and create accounts without solving it.
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High 8.8
Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Incorrect Comparison Vulnerabilities
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has con…
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Critical 9.1
@fastify/proxy-addr vulnerable to IP spoofing via IPv4-mapped IPv6 trust subnet
@fastify/proxy-addr is a Fastify plugin that determines a request's client address behind trusted reverse proxies, and it backs Fastify request.ip and request.ips. In versions 3.0.0 through 5.1.0, a trust subnet written in IPv4-mapped IPv6 notation with an IP…
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High 8.1
@fastify/auth vulnerable to Authorization Bypass via order-dependent evaluation of composed auth
@fastify/auth is a Fastify plugin that composes multiple authentication and authorization strategies into a single route guard. In versions 5.0.0 through 5.1.0, when strategies are composed with the relation "or" option together with the run "all" option and …
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Medium 5.3
evolution-api through 2.3.7 Prometheus Metrics IP Allowlist Bypass
evolution-api through 2.3.7 contains an incorrect array comparison in the metricsIPWhitelist middleware that always evaluates to false, allowing unauthenticated access to the /metrics endpoint. Attackers can bypass IP whitelist restrictions to access sensitiv…
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Medium 5.3
MISP Dashboard Template ACL Bypass Due to VARCHAR-to-Integer Type Coercion in Permission Flag Comparison
Affected versions of MISP incorrectly filter dashboard templates that are restricted to a specific permission flag. DashboardsController::listTemplates() allowed a template when either: - its restrict_to_permission_flag matched one of the current user’s perm…
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Critical 9.1
proxy-addr vulnerable to IP spoofing via IPv4-mapped IPv6 trust subnet
proxy-addr is a Node.js module that determines a request's client address behind trusted reverse proxies, and it backs Express req.ip and req.ips. In versions 1.1.0 through 2.0.7, a trust subnet written in IPv4-mapped IPv6 notation with an IPv4-sized prefix, …
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High 7.5
libks has path traversal in kws HTTP parser via URI segment overflow
libks provides foundational support for signalwire C products. Prior to version 2.0.11, `clean_uri()` in libks's HTTP request parser fails to reject URIs whose path has more segments than its internal canonicalization buffer can hold. The canonicalization ste…
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High 8.8
ICEcoder through 8.1 Path Traversal via Ineffective File::check() Confinement
ICEcoder versions through 8.1 contain a path traversal vulnerability in the file-control endpoint due to a logic error in the document-root confinement check. The File::check() validation function compares realpath() to boolean true, which never succeeds, all…
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Medium 5.3
OpenBSD ieee80211_crypto_tkip.c TKIP MIC Countermeasure Logic Inversion DoS
OpenBSD before commit 1ee99df contains an inverted comparison vulnerability in the ieee80211_michael_mic_failure() function within sys/net80211/ieee80211_crypto_tkip.c that allows unauthenticated attackers within RF range to trigger denial of service by sendi…
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High 7.4CVE-2026-73309 Public exploit
XenForo < 2.3.13 Authentication Bypass via OAuth2 Token Endpoint
XenForo before 2.3.13 contains an authentication bypass vulnerability in the OAuth2 token endpoint that allows unauthenticated attackers to obtain valid token pairs by submitting empty values for client_secret and code_verifier parameters. Attackers can explo…
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Low 2.1
SQL string_trim removes only spaces, diverging from in-memory trimming in AshSql
Incorrect Comparison vulnerability in ash-project ash_sql allows a user to pad a string field with tab, newline, carriage-return, or form-feed characters and pass a trimmed uniqueness or equality check in the database that the same expression would fail in me…
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High 8.2
Wrong interpretation of ACL ranges
When ranges are used for access control (i.e. of the form 1.2.3.4-1.2.3.25), because NSD wrongly compares the IP address with the range on little endian systems, IPs that were meant to be allowed may be denied, and, IPs that were meant to be denied access cou…
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Medium 6.5
Mongoose: Multipart boundary/header scan logic error in mg_http_next_multipart
Mongoose is an embedded web server and network library. Prior to 7.22, a remote attacker can place a lone carriage return or line feed in multipart input processed by mg_http_next_multipart() in src/http.c. The loops comparing s[b] and s[b + 1], and s[h2] and…
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Critical 9.8
MemOS Authentication Bypass via Unset INTERNAL_SERVICE_SECRET
MemOS is a memory operating system for LLMs and AI agents. In deployments where authentication is enabled (AUTH_ENABLED=true) but the undocumented, defaultless INTERNAL_SERVICE_SECRET environment variable is unset, the is_internal_request() check in src/memos…
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Medium 5.3
js-toml has silent type confusion via falsy-primitive duplicate-key bypass
js-toml is a TOML parser for JavaScript, Prior to version 1.1.2, the interpreter checks whether a key already exists in a parser-built container with `if (object[key])` instead of `if (key in object)`. When the prior value is a falsy primitive — `false`, `0`,…
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Medium 4.6
Incorrect comparison for some Intel(R) TDX Guest software before version 0.3.1 within Ring 3: User Applications may all…
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High 8.8
Wolf CMS 0.8.3.1 Authorization Bypass via BackupRestoreController
Wolf CMS through 0.8.3.1 contains an authorization bypass vulnerability in BackupRestoreController that allows authenticated non-administrative users to access restricted backup functionality due to a PHP operator precedence flaw in the permission check expre…
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High 8.3
Hulumi: IAM-role policy checks bypassed when the role trusts multiple OIDC providers
Hulumi is an open-source toolkit that ships secure-by-default cloud and platform infrastructure components for Pulumi. Prior to version 1.4.0, IAM-role policy checks can be bypassed when the role trusts multiple OIDC providers. This issue has been patched in …
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Medium 6.1
DOMPurify before 3.4.0 ADD_TAGS Function Bypasses FORBID_TAGS
DOMPurify before 3.4.0 contains a logic error in the ADD_TAGS function where short-circuit evaluation allows forbidden tags to bypass FORBID_TAGS restrictions. Attackers can craft input containing tags listed in FORBID_TAGS that are also added via ADD_TAGS fu…
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High 8.8
CedarJava has policy injection, type confusion, and incorrect equality comparison vulnerabilities
CedarJava is an open source Java implementation of the Cedar policy language, used for fine-grained authorization decisions. In versions prior to 4.9.0, the EntityIdentifier.equals() has inverted null/self branches which could lead to incorrect equality compa…
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High 7.2
FlaskBB Logic Flaw Authorization Group Deletion via Bulk AJAX Endpoint
FlaskBB through 2.2.0, fixed in commit a5da9a5, contains a logic flaw vulnerability that allows authenticated administrators to delete all built-in authorization groups by exploiting a type mismatch in the bulk delete protection check. The bulk AJAX endpoint …
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Medium 6.1
setuptools: MANIFEST.in exclusion bypass in sdist via Unicode normalization collision (NFC/NFD) on macOS APFS/HFS+
setuptools is a package that allows users to download, build, install, upgrade, and uninstall Python packages. Prior to 83.0.0, FileList applied MANIFEST.in exclude, global-exclude, recursive-exclude, and prune directives by matching compiled glob patterns ag…
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Medium 5.3
666ghj BettaFish InsightEngine search-result Deduplication agent.py _deduplicate_results partial string comparison
A vulnerability was determined in 666ghj BettaFish up to 1.2.1. Impacted is the function _deduplicate_results of the file InsightEngine/agent.py of the component InsightEngine search-result Deduplication. Executing a manipulation can lead to partial string co…
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Low 3.3
HdrHistogram Range Check DoubleHistogram.java org.HdrHistogram.DoubleHistogram.recordValue comparison
A vulnerability was found in HdrHistogram up to 2.2.2. This issue affects the function org.HdrHistogram.DoubleHistogram.recordValue of the file src/main/java/org/HdrHistogram/DoubleHistogram.java of the component Range Check. Performing a manipulation results…