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21 September 2026

Vulnerabilities first published on this day (UTC), newest first.

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  • Critical 9.1

    Joplin: SSO Auth Code Login Missing Rate Limiting — 9-Digit Numeric Code Brute-Forceable via Unprotected Endpoint

    Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.2, Joplin Server's GET /api/login_with_code/:id endpoint accepts a nine-digit SSO authentication code with a ten-minute lifetime without app…

  • Critical 10.0
    CVE-2026-77521 Public exploit

    MaxKB: Prompt-injectable agent can lead to command execution

    MaxKB is an open-source AI assistant for enterprise. Prior to version 2.10.5-lts, assistants with a tool, MCP tool, skill, or sub-application use SandboxShellBackend, which exposes an execute shell tool without excluding it and omits execute from interrupt_on…

  • Critical 9.1

    MaxKB AWS Bedrock model credential injection leads to remote code execution

    MaxKB is an open-source AI assistant for enterprise. Prior to 2.10.5-lts, authenticated workspace members can inject control characters into AWS Bedrock access_key_id and secret_access_key fields that _update_aws_credentials writes to /root/.aws/credentials w…

  • Critical 9.4

    In OpenStack Octavia before 18.0.1, the Amphora provider driver did not validate the listener and pool tls_ciphers fiel…

  • Critical 9.4

    In OpenStack Octavia before 18.0.1, the Amphora provider driver did not reject control characters in the L7 policy redi…

  • Critical 9.3

    Warpgate: Reflected XSS in SSO return endpoint via attacker-controlled next parameter

    Warpgate is an open source SSH, HTTPS and MySQL bastion host for Linux. Prior to 0.25.5, the /@warpgate/api/sso/providers/:name/start endpoint stores an attacker-controlled next parameter that the POST /@warpgate/api/sso/return handler inserts without HTML es…

  • Critical 9.8

    Email::Sender::Transport::Sendmail versions before 2.602 for Perl allow arbitrary command execution on Windows sending a message whose envelope address reaches the shell in _sendmail_pipe

    Email::Sender::Transport::Sendmail versions before 2.602 for Perl allow arbitrary command execution on Windows sending a message whose envelope address reaches the shell in _sendmail_pipe. On MSWin32 the envelope sender and every recipient go into a single co…

  • Critical 9.9

    Ajenti: Privilege escalation to root via unauthenticated/unauthorized plugin install task

    Ajenti is a Linux & BSD modular server admin panel. Prior to version 2.2.16, any authenticated user can call /api/core/tasks/start to enqueue InstallPlugin, UnInstallPlugin, or UpgradeAll from plugins/plugins/tasks.py without plugin-management authorization. …

  • Critical 9.2

    Fluent Bit: Remote stack buffer overflow in Fluent Bit `out_forward` Secure-Forward `PONG` handler

    Fluent Bit is a fast and lightweight logs, metrics, and traces processor for Linux, BSD, macOS, and Windows. From 0.11.0 until 5.0.8, plugins/out_forward/forward.c secure_forward_pong copies the server-controlled PONG[2] reason into the 32-byte stack buffer m…

  • Critical 9.8

    Mailu: Authentication bypass in header-based proxy authentication via spoofable `X-Forwarded-By` trust

    Mailu is a mail server distributed as a set of Docker images. From Mailu 2.0 until 2024.06.55 and prior to Mailu helm-charts 2.7.3, deployments with PROXY_AUTH_WHITELIST configured but REAL_IP_HEADER unset trusted a client-controlled X-Forwarded-By header for…

  • Critical 9.8

    Apache MINA: CVE-2026-47065 resolveProxyClass fix missing from 2.0.X and 2.1.X branches (2.0.30 / 2.1.14) ZDRES-232

    The fix for CVE-2026-47065/ZDRES-232 ("resolveProxyClass Not Overridden - acceptMatchers Filter Bypass via java.lang.reflect.Proxy"), released on 2026-06-02 and announced as "Fully addressed" in MINA 2.2.8, 2.1.13 and 2.0.29, was committed to the  2.2.X branc…

  • Critical 9.1

    Apache Airflow: Logout ignores a presented Authorization bearer token, leaving it revocable only by expiry

    Apache Airflow: the Core API logout endpoint revokes only a session token presented as the _token cookie. When a client logs out presenting its credential as an Authorization bearer header instead, the endpoint returns its normal logout response but revokes n…

  • Critical 9.1

    UrlUtil.getBaseUrl builds the absolute URLs in a response — download links, icons, asset and API URLs — from the X-Forw…

  • Critical 9.8

    WooCommerce Online Product Designer 1.7.0 - < 2.15.0 - Unauthenticated Arbitrary File Upload

    The Web to Print Online Designer WordPress plugin before 2.15.0 does not validate the type or extension of uploaded files, and hands the token protecting those uploads to any visitor who asks for it, allowing unauthenticated attackers to upload arbitrary file…

  • Critical 9.9

    Netcore NBR200V2 routerd vlan_load_form_uci buffer overflow

    A security vulnerability has been detected in Netcore NBR200V2 1.3.241127.071246. The affected element is the function vlan_load_form_uci of the file /usr/bin/routerd. The manipulation of the argument wan_num leads to buffer overflow. It is possible to initia…

  • Critical 9.9

    Netcore NBR200V2 WAN VLAN Reconfiguration routerd wan_config_set_vlan buffer overflow

    A weakness has been identified in Netcore NBR200V2 1.3.241127.071246. Impacted is the function wan_config_set_vlan of the file /usr/bin/routerd of the component WAN VLAN Reconfiguration. Executing a manipulation of the argument vlan_wanX.ports can lead to buf…

  • Critical 9.9

    Netcore NBR200V2 Backup Restore restore.cgi command injection

    A security flaw has been discovered in Netcore NBR200V2 1.3.241127.071246. This issue affects some unknown processing of the file restore.cgi of the component Backup Restore. Performing a manipulation of the argument QUERY_STRING results in command injection.…

  • Critical 9.1

    Netcore NBR200V2 Firmware Upgrade CGI Endpoint upgrade command injection

    A vulnerability was identified in Netcore NBR200V2 1.3.241127.071246. This vulnerability affects unknown code of the file /www/cgi-bin/upgrade of the component Firmware Upgrade CGI Endpoint. Such manipulation of the argument QUERY_STRING leads to command inje…

  • Critical 9.8

    Incorrect Access Control in the HTTP API module in ZLMediaKit commit 9fd5152 allows remote attackers to achieve Remote …

  • Critical 9.1

    CuteNews v.2.1.2 is vulnerable to Server-Side Request Forgery (SSRF) in core/modules/media.php -- upload_from_inet (Med…

  • Critical 9.8

    A remote code execution (RCE) vulnerability in the UniscriptExecutionService.execute() function (/services/script-execu…

  • Critical 9.8

    A SQL injection vulnerability in the checkSQL function of nocobase v2.1.21 allows attackers to access sesntive database…

  • Critical 9.8

    A remote code execution (RCE) vulnerability in the RemoteRegisterFunctionService function (/remote/remote-register-func…

  • Critical 9.8

    An issue in gray-matter All versions (verified on 4.0.3) allows the JavaScript engine in lib/engines.js using eval() to…