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PyPI
7,096 known vulnerabilities.
Most affected packages
7,077 results · Feed
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High 7.5
dnspython dns.name.from_wire_parser() excessive CPU use
dnspython is a DNS toolkit for Python. Prior to 2.9.0, dns.name.from_wire_parser follows attacker-controlled DNS compression pointer chains without a hop limit. A malicious DNS wire-format message can force excessive pointer traversal during name decompressio…
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High 7.5
GraphQL-core: Denial of service via quadratic complexity in the OverlappingFieldsCanBeMerged validation rule
GraphQL-core is a Python port of the GraphQL.js reference implementation. From 3.0.0 until 3.2.12 and 3.3.0rc1, the OverlappingFieldsCanBeMerged rule in specified_rules repeatedly compares fields that share response names and recursively re-compares flattened…
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High 7.5
GraphQL-core: Denial of service via comment tokens bypassing the parser's max_tokens limit
GraphQL-core is a Python port of the GraphQL.js reference implementation. From 3.2.3 until 3.2.12 and 3.3.0rc1, the parser's max_tokens limit in Parser.advance_lexer counts only non-comment tokens returned after Lexer.lookahead skips comments. Each skipped co…
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High 7.4
PyJWT: HS256/384/512 verify accepts empty HMAC key via oct JWK (PyJWK/PyJWKClient) enabling token forgery
### Summary `HMACAlgorithm.from_jwk` accepts a symmetric (`kty=oct`) JWK whose `k` value is the empty string and returns a zero-length key without raising. When a token is then verified with that key object (a `PyJWK`, or a `PyJWK` resolved by `PyJWKSet` / `P…
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Medium 5.3
OpenTelemetry Python: Unbounded tracestate parsing in opentelemetry-api
OpenTelemetry Python provides the Python API and SDK for OpenTelemetry. Prior to 1.45.1, the opentelemetry-api function TraceState.from_header in opentelemetry/trace/span.py, reached through TraceContextTextMapPropagator.extract, parses inbound W3C tracestate…
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High 7.1
Flexible GraphRAG: Cypher/Graph Injection via broken string-escaping in FalkorDB adapter (_escape()) - full graph wipe from ingested-document content
Flexible GraphRAG is a Python framework for building graph and retrieval-augmented generation applications across multiple graph, vector, and search backends. From 0.6.0 until 0.8.2, the _escape() helper in flexible-graphrag/langchain/graph/pg_store_adapters/…
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Critical 9.2
Out-of-Bounds Write in Google Brotli Decoder
A buffer overflow vulnerability in the Brotli decoder (c/dec/decode.c) in Google Brotli versions 1.0.3 through 1.2.0 on all platforms allows a remote unauthenticated attacker to corrupt adjacent decoder state memory, disclose sensitive memory contents, cause …
KEV Oct 27, 2026 -
High 8.1
mem0 0.1.117 before 1.0.8 SQL Injection via Databricks Vector Store
mem0 0.1.117 before 1.0.8 contains an sql injection vulnerability in mem0/vector_stores/databricks.py that allows attackers to inject SQL by influencing stored memory content. Attackers can supply crafted memory text, metadata, or message names that reach une…
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Medium 6.3
Pillow: Arrow export leaks stale heap memory when PILLOW_ALIGNMENT > 1
Pillow is a Python imaging library. From 11.2.1 until 13.0.0, Arrow export assumes that an image's rows are tightly contiguous and exports from im->blocks[0].ptr even when PILLOW_ALIGNMENT makes aligned_linesize include row padding or an aligned offset before…
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Critical 9.8
Pillow multi-frame loaders can reuse stale native image storage after mode transitions
Pillow is a Python imaging library. From 11.0.0 until 13.0.0, multi-frame loaders can retain an ImagingCore allocation created for a narrow frame mode while a later frame of the same dimensions changes the logical mode and decoder tiles to wider RGB or CMYK d…
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Medium 6.5
Pillow: Decompression-bomb protection bypass via multi-frame seek() in MPO and DCX (MpoImageFile.seek / DcxImageFile.seek)
Pillow is a Python imaging library. Prior to 13.0.0, MpoImageFile.seek() and DcxImageFile.seek() reparse later MPO or DCX frames and replace self._size without rerunning Image._decompression_bomb_check(). A crafted multi-frame image can use a tiny first frame…
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High 8.2
Pillow PDF append accepts malformed shared page-tree DAG causing resource exhaustion
Pillow is a Python imaging library. From 5.1.0 until 13.0.0, PdfParser.linearize_page_tree() in src/PIL/PdfParser.py treats a PDF /Pages graph as a tree without tracking duplicate indirect references. When Image.save(..., format="PDF", append=True) processes …
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High 7.1
Pillow: Decompression bomb check bypass in SpiderImagePlugin.seek() leads to unbounded allocation DoS
Pillow is a Python imaging library. Prior to 13.0.0, SpiderImageFile.seek() in src/PIL/SpiderImagePlugin.py reparses a later SPIDER stack frame and replaces self._size without rerunning Image._decompression_bomb_check(). A tiny file can use a safe first frame…
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High 7.7CVE-2026-96778 Public exploit
Pillow: Heap buffer overflow writing JPEG comment after ICC profile fills buffer
Pillow is a Python imaging library. From 9.4.0 until 13.0.0, ImagingJpegEncode() in src/libImaging/JpegEncode.c can call jpeg_write_marker() for a JPEG COM comment when an ICC profile has exactly filled the 65536-byte encoder buffer. libjpeg writes one byte b…
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High 7.1
Pillow: PNG eXIf chunk makes EXIF parsing run in quadratic time
Pillow is a Python imaging library. From 11.0.0 until 13.0.0, Exif.load() in src/PIL/Image.py repeatedly slices the remaining EXIF data while it begins with the six-byte Exif header. src/PIL/PngImagePlugin.py accepts an uncapped PNG eXIf chunk, so a file fill…
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High 7.1
Pillow: Heap over-read in WMF/EMF rendering via 16-bit dimension truncation (Windows builds)
Pillow is a Python imaging library. Prior to 13.0.0 on Windows, src/PIL/WmfImagePlugin.py passes unchecked 32-bit WMF or EMF dimensions to the native drawwmf handler in src/display.c. The handler sizes a DIB allocation from 16-bit-truncated bcWidth and bcHeig…
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Medium 6.5
Pillow: Reachable undefined behavior in native integer operations, potentially leading to denial of service or logic integrity compromise
Pillow is a Python imaging library. Prior to 13.0.0, PILfont text-width accumulation in src/_imaging.c checks positive glyph advances against INT_MAX but does not check negative advances against INT_MIN. Repeating a signed 16-bit advance of -32768 can therefo…
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High 7.1
Pillow: TarIO negative size field causes infinite CPU-spin loop
Pillow is a Python imaging library. Prior to 13.0.0, the TarIO initializer in src/PIL/TarIO.py accepts a negative octal member size and computes a backward seek that returns to the same 512-byte header. When the requested member name does not match, the parse…
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Medium 6.5
Pillow: BMP RLE decoder memory-amplification DoS via unbounded delta escape / absolute mode
Pillow is a Python imaging library. From 9.1.0 until 13.0.0, BmpRleDecoder.decode() in src/PIL/BmpImagePlugin.py permits crafted RLE BMP delta escapes and absolute-mode runs to append beyond the remaining dest_length without a per-branch cap. A delta can add …
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High 7.5
GitPython validates a submodule's ".git" path only after cloning into it (RCE)
GitPython is a python library used to interact with Git repositories. Prior to 3.2.1, create_submodule() in git/objects/submodule/base.py accepts an attacker-influenced submodule path such as .git/hooks and invokes _clone_repo() before safely rejecting the de…
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High 8.8CVE-2026-114140 Public exploit
nbconvert: File write via path traversal in cell output filenames
The nbconvert tool, jupyter nbconvert, converts Jupyter notebooks to various other formats via Jinja templates. From 5.4.0 until 7.17.2, ExtractOutputPreprocessor in nbconvert/preprocessors/extractoutput.py joins the attacker-controlled cell output metadata f…
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High 7.5
Django REST framework: Accept header with many large quoted parameters burns ~19s of CPU per request in content negotiation
Django REST framework is a toolkit for building Web APIs. Prior to 3.18.2, DefaultContentNegotiation.get_accept_list in rest_framework/negotiation.py accepts an unbounded number and aggregate size of Accept tokens, while select_renderer in that file repeatedl…
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High 7.4
Django REST framework: TokenProxy.delete() reports success and revokes nothing
Django REST framework is a toolkit for building Web APIs. From 3.12.0 until 3.18.2, TokenProxy.delete() in rest_framework/authtoken/models.py uses the proxy's user-id pk while the concrete Token token-string primary key identifies rows, so Django issues a del…
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High 7.5
Django REST framework: JSONParser applies an attacker-named codec to the request stream
Django REST framework is a toolkit for building Web APIs. From 3.6.4 until 3.18.2, JSONParser.parse in rest_framework/parsers.py uses the client-supplied Content-Type charset value with codecs.getreader, which accepts byte-transform codecs such as bz2_codec r…
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High 8.8
Jupyter Server: Gateway WebSocket handler bypasses kernel execute authorization
Jupyter Server is the backend for Jupyter web applications. From 2.0.0 until 2.6.0, enabling GatewayClient.url replaced the normal KernelWebsocketHandler with WebSocketChannelsHandler, which authenticated the user but did not call authorizer.is_authorized(...…
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Medium 6.0
pypdf: Possible large memory usage for streams with multiple filters
pypdf is a free and open-source pure-python PDF library. Prior to 6.20.0, accessing a crafted PDF stream with a large number of filters or multiple filters that pass around large amounts of data can cause large memory consumption. This issue is fixed in versi…
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Medium 6.0
pypdf: Possible infinite loop when hitting EOF in standard xref table
pypdf is a free and open-source pure-python PDF library. Prior to 6.20.0, an attacker can craft an incomplete PDF that ends inside a standard cross-reference table, causing pypdf to mishandle the unexpected end of file and enter an infinite loop. This issue i…
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Medium 6.0
pypdf: Possible infinite loop when removing tree items
pypdf is a free and open-source pure-python PDF library. Prior to 6.20.1, removing an object from a crafted cyclic PDF tree, such as an outline item, can enter an infinite loop and block the current process. This issue is fixed in version 6.20.1.
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Medium 6.0
pypdf: Possible infinite loop in PdfWriter.find_outline_item
pypdf is a free and open-source pure-python PDF library. Prior to 6.20.1, calling PdfWriter.find_outline_item on a crafted PDF with a cyclic outline hierarchy can enter an infinite loop and block the current process. This issue is fixed in version 6.20.1.
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Medium 6.0
pypdf: Possible large memory usage when parsing content streams
pypdf is a free and open-source pure-python PDF library. Prior to 6.21.0, an attacker can craft a PDF containing a content stream with many small operations, causing parsing to consume large amounts of memory. This issue is fixed in version 6.21.0.
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Medium 6.0
pypdf: Possible large memory usage when parsing arrays and dictionaries
pypdf is a free and open-source pure-python PDF library. Prior to 6.21.0, an attacker can craft a PDF containing arrays or dictionaries with many elements, causing parsing to consume large amounts of memory. This issue is fixed in version 6.21.0.
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Medium 6.0
pypdf: Possible long runtimes/large memory usage when retrieving form fields
pypdf is a free and open-source pure-python PDF library. Prior to 6.21.0, an attacker can craft a PDF that causes large memory usage or long runtimes when an application retrieves the document's form fields. This issue is fixed in version 6.21.0.
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Low 2.3
pypdf: Unvalidated JPEG image data loading
pypdf is a free and open-source pure-python PDF library. Prior to 6.21.1, an attacker can craft a PDF containing image data labeled with the /DCTDecode filter that causes Pillow to select and invoke an unintended image parser when the image is loaded. Environ…
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Medium 4.8
Pydantic AI Harness before 0.59.0 CodeMode Tool Call Limit Bypass via run_code
Pydantic AI Harness before 0.59.0 fails to enforce UsageLimits.tool_calls_limit on nested tool calls dispatched from run_code in the CodeMode toolset. Users or prompt-injected content can make the sandboxed program invoke tools via run_nested_call() without c…
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Medium 5.3
Astral uv before 0.11.6 Arbitrary File Deletion via Wheel RECORD Entries
Astral uv before 0.11.6 contains a path traversal vulnerability that allows attackers to delete arbitrary files by supplying wheels with relative traversal paths in RECORD entries. Attackers can craft a malicious wheel whose RECORD references files outside th…
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Critical 9.8
HKUDS Vibe-Trading before 0.1.7 Missing Authentication in FastAPI Server Enabling RCE
HKUDS Vibe-Trading from 0.1.0 before 0.1.7 contains a missing authentication vulnerability that allows unauthenticated attackers to access the FastAPI surface because require_auth() returns early when API_AUTH_KEY is unset. Attackers can post messages to /ses…
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High 8.8
uv before 0.11.15 Arbitrary File Write via Entry Point Names
uv before 0.11.15 contains a path traversal vulnerability that allows malicious wheels to write files outside the scripts directory via crafted console_scripts or gui_scripts entry point names. Attackers who induce users to install a malicious wheel can place…
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High 8.8
HKUDS Vibe-Trading 0.1.0 before 0.1.7 Indirect Prompt Injection RCE via BashTool and BackgroundRunTool
HKUDS Vibe-Trading from 0.1.0 before 0.1.7 contains an indirect prompt injection vulnerability that allows remote attackers to execute shell commands as root by planting instructions in documents or web pages the agent processes. BashTool and BackgroundRunToo…
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High 7.5
HKUDS Vibe-Trading 0.1.0 before 0.1.7 Path Traversal via read_document and safe_user_path
HKUDS Vibe-Trading from 0.1.0 before 0.1.7 contains a path traversal vulnerability that allows remote attackers to read sensitive server files through LLM agent file-read tools. Attackers can prompt the agent to invoke read_document, which lacks sandbox check…
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High 7.8
Dulwich 0.22.5 before 1.2.8 Path Traversal via Stash Pop Symlinks
Dulwich from 0.22.5 before 1.2.8 contains a path traversal vulnerability in stash.py pop() that allows attackers to write arbitrary files outside the worktree through intermediate directory symlinks. Attackers can craft a malicious repository whose popped sta…