PYSEC-2026-3381 TensorFlow vulnerable to Int overflow in `RaggedRangeOp`

Impact The RaggedRangOp function takes an argument limits that is eventually used to construct a TensorShape as an int64. If limits is a very large float, it can overflow when converted to an int64. This triggers an InvalidArgument but also throws an abort signal that crashes the program. python...

PYSEC-2026-3337 TensorFlow vulnerable to `CHECK` failures in `UnbatchGradOp`

Impact The UnbatchGradOp function takes an argument id that is assumed to be a scalar. A nonscalar id can trigger a CHECK failure and crash the program. python import numpy as np import tensorflow as tf id is not scalar tf.rawops.UnbatchGradoriginalinput= tf.constant1,batchindex=tf.constant0,0,0 ...

PYSEC-2026-3379 TensorFlow vulnerable to segfault in `Requantize`

Impact If Requantize is given inputmin, inputmax, requestedoutputmin, requestedoutputmax tensors of a nonzero rank, it results in a segfault that can be used to trigger a denial of service attack. python import tensorflow as tf outtype = tf.quint8 input = tf.constant1, shape=3, dtype=tf.qint32...

PYSEC-2026-3356 TensorFlow vulnerable to `CHECK` fail in `tf.sparse.cross`

Impact If tf.sparse.cross receives an input separator that is not a scalar, it gives a CHECK fail that can be used to trigger a denial of service attack. python import tensorflow as tf tf.sparse.crossinputs=,name='a',separator=tf.constant'a', 'b',dtype=tf.string Patches We have patched the issue ...

PYSEC-2026-3365 Missing validation results in undefined behavior in `SparseTensorDenseAdd

Impact The implementation of tf.rawops.SparseTensorDenseAdd does not fully validate the input arguments: python import tensorflow as tf aindices = tf.constant0, shape=17, 2, dtype=tf.int64 avalues = tf.constant, shape=0, dtype=tf.float32 ashape = tf.constant6, 12, shape=2, dtype=tf.int64 b =...

PYSEC-2026-3267 Missing validation causes denial of service via `LSTMBlockCell`

Impact The implementation of tf.rawops.LSTMBlockCell does not fully validate the input arguments. This results in a CHECK-failure which can be used to trigger a denial of service attack: python import tensorflow as tf tf.rawops.LSTMBlockCell x=tf.constant0.837607, shape=28,29, dtype=tf.float32,...

PYSEC-2026-2964 Plone unauthorized member addition vulnerability

Plone 3.3.0 through 3.3.6, 4.0.0 through 4.0.10, 4.1.0 through 4.1.6, 4.2.0 through 4.2.7, 4.3.0 through 4.3.6, and 5.0rc1 allows remote attackers to add a new member to a Plone site with registration enabled, without acknowledgment of site administrator...

PYSEC-2026-2412 OpenStack Cinder, Glance, and Nova contain Uncontrolled Resource Consumption

The image parser in OpenStack Cinder prior to 7.0.2, and 8.0.0 and above, prior to 9.0.0; Glance prior to 14.00; and Nova prior to 12.0.4 does not properly limit qemu-img calls, which might allow attackers to cause a denial of service memory and disk consumption via a crafted disk image. This iss...

PYSEC-2026-2963 Products.CMFPlone Open Redirect Vulnerability

When you visit a page where you need to login, Plone 2.5-5.1rc1 sends you to the login form with a 'camefrom' parameter set to the previous url. After you login, you get redirected to the page you tried to view before. An attacker might try to abuse this by letting you click on a specially crafte...

PYSEC-2026-2549 OpenStack Identity Keystone and keystonemiddleware Insufficiently Protected Credentials

The identity service in OpenStack Identity Keystone before 2015.1.3 Kilo and 8.0.x before 8.0.2 Liberty and keystonemiddleware formerly python-keystoneclient before 1.5.4 Kilo and Liberty before 2.3.3 does not properly invalidate authorization tokens when using the PKI or PKIZ token providers,...

PYSEC-2026-3391 Improper Restriction of XML External Entity Reference in trytond and proteus

An XXE issue was discovered in Tryton Application Platform Server 5.x through 5.0.45, 6.x through 6.0.15, and 6.1.x and 6.2.x through 6.2.5, and Tryton Application Platform Command Line Client proteus 5.x through 5.0.11, 6.x through 6.0.4, and 6.1.x and 6.2.x through 6.2.1. An authenticated user...

PYSEC-2026-3158 Memory exhaustion in Tensorflow

Impact The implementation of ThreadPoolHandle can be used to trigger a denial of service attack by allocating too much memory: python import tensorflow as tf y = tf.rawops.ThreadPoolHandlenumthreads=0x60000000,displayname='tf' This is because the numthreads argument is only checked to not be...

PYSEC-2026-3154 Null pointer dereference in Grappler's `IsConstant`

Impact Under certain scenarios, Grappler component of TensorFlow can trigger a null pointer dereference. There are 2 places where this can occur, for the same malicious alteration of a SavedModel file fixing the first one would trigger the same dereference in the second place: First, during...

PYSEC-2026-3249 Out of bounds read in Tensorflow

Impact TensorFlow's type inference can cause a heap OOB read as the bounds checking is done in a DCHECK which is a no-op during production: cc if nodet.typeid != TFTUNSET int ix = inputidxi; DCHECKix nodet.argssize "input " i " should have an output " ix " but instead only has " nodet.argssize "...

PYSEC-2026-2814 Out-of-bounds Write in OpenCV.

In OpenCV 3.3.1 corresponding with OpenCV-Python 3.3.1.11, a heap-based buffer overflow happens in cv::Jpeg2KDecoder::readComponent8u in modules/imgcodecs/src/grfmtjpeg2000.cpp when parsing a crafted image file...

PYSEC-2026-2838 Divide By Zero in OpenCV.

An issue was discovered in OpenCV 4.1.0 OpenCV-Python 4.1.0.25. There is a divide-by-zero error in cv::HOGDescriptor::getDescriptorSize in modules/objdetect/src/hog.cpp...

PYSEC-2026-2817 Improper Input Validation in OpenCV

OpenCV 3.0.0 allows remote attackers to cause a denial of service segfault via vectors involving corrupt chunks. This issue was fixed in OpenCV version 3.3.1 corresponding to OpenCV 3.3.1.11...

PYSEC-2026-2967 Cross-site scripting in Products.CMFCore, Products.PluggableAuthService, Plone

Zope Products.CMFCore before 2.5.1 and Products.PluggableAuthService before 2.6.2, as used in Plone through 5.2.4 and other products, allow Reflected XSS...

PYSEC-2026-2887 SSRF attacks via tracebacks in Plone

Plone before 5.2.3 allows SSRF attacks via the tracebacks feature only available to the Manager role...

PYSEC-2026-2216

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, a Markdown document containing many repeated or distinct reference-link definitions causes quadratic work in src/mistune/blockparser.py and the reflinks environment dictionary handling, allowing denial of service...

PYSEC-2026-2217

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, the safeurl filter in src/mistune/renderers/html.py blocks only javascript:, vbscript:, file:, and data: schemes, allowing legacy or chained schemes such as feed:, view-source:, jar:, livescript:, mocha:, ms-its:, mk:...

PYSEC-2026-2211

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, HTMLRenderer.safeurl does not block percent-encoded javascript URIs, allowing attacker-supplied Markdown links or images to bypass URL protections and execute script in rendered HTML. This issue is fixed in version...

PYSEC-2026-1965 Hugging Face Text Generation Inference vulnerable to Uncontrolled Resource Consumption

A vulnerability in huggingface/text-generation-inference version 3.3.6 allows unauthenticated remote attackers to exploit unbounded external image fetching during input validation in VLM mode. The issue arises when the router scans inputs for Markdown image links and performs a blocking HTTP GET...

PYSEC-2026-1810 pyasn1 has a DoS vulnerability in decoder

Summary After reviewing pyasn1 v0.6.1 a Denial-of-Service issue has been found that leads to memory exhaustion from malformed RELATIVE-OID with excessive continuation octets. Details The integer issue can be found in the decoder as reloid += subId 7 + nextSubId,:...

PYSEC-2026-1358 FastAPI Api Key has a timing side-channel in verify_key that allows statistical key validity detection

Impact Timing side-channel vulnerability in verifykey. The method applied a random delay only on verification failures, allowing an attacker to statistically distinguish valid from invalid API keys by measuring response latencies. With enough repeated requests, an adversary could infer whether a...

PYSEC-2026-1656 MLFlow is vulnerable to DNS rebinding attacks due to a lack of Origin header validation

MLFlow versions up to and including 3.4.0 are vulnerable to DNS rebinding attacks due to a lack of Origin header validation in the MLFlow REST server. This vulnerability allows malicious websites to bypass Same-Origin Policy protections and execute unauthorized calls against REST endpoints. An...

PYSEC-2026-2037 Weblate leaks information via screenshots

Impact The screenshot images were served directly by the HTTP server without proper access control. This could allow an unauthenticated user to access screenshots after guessing their filename. Patches https://github.com/WeblateOrg/weblate/pull/17516 References Thanks to Lukas May and Michael Leu...

PYSEC-2026-2052 Weblate wlc has insecure API key configuration

Impact Historically, wlc supported providing unscoped API keys in the setting. This practice was discouraged for years, but the code was never removed. This might cause the API key to be used against different server. Patches https://github.com/WeblateOrg/wlc/pull/1098 Workarounds Remove unscoped...

PYSEC-2026-1745 AcademySoftwareFoundation OpenColorIO has an out-of-bounds vulnerability

A vulnerability was found in AcademySoftwareFoundation OpenColorIO up to 2.5.0. This issue affects the function ConvertToRegularExpression of the file src/OpenColorIO/FileRules.cpp. Performing a manipulation results in out-of-bounds read. The attack needs to be approached locally. The exploit has...

PYSEC-2026-1996 Decompression-bomb safeguards bypassed when following HTTP redirects (streaming API)

Impact urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP Content-Encoding header e.g., gzip,...

PYSEC-2026-1107 AIOHTTP vulnerable to DoS when bypassing asserts

Summary When assert statements are bypassed, an infinite loop can occur, resulting in a DoS attack when processing a POST body. Impact If optimisations are enabled -O or PYTHONOPTIMIZE=1, and the application includes a handler that uses the Request.post method, then an attacker may be able to...

PYSEC-2026-1454 Home Assistant Core before is vulnerable to Directory Traversal

Home Assistant Core before v2025.8.0 is vulnerable to Directory Traversal. The Downloader integration does not fully validate file paths during concatenation, leaving a path traversal vulnerability...

PYSEC-2026-1101 AIOHTTP's HTTP Parser auto_decompress feature is vulnerable to zip bomb

Summary A zip bomb can be used to execute a DoS against the aiohttp server. Impact An attacker may be able to send a compressed request that when decompressed by aiohttp could exhaust the host's memory. ------ Patch: https://github.com/aio-libs/aiohttp/commit/2b920c39002cee0ec5b402581779bbaaf7c91...

PYSEC-2026-1937 Spotipy has a XSS vulnerability in its OAuth callback server

Summary XSS vulnerability in OAuth callback server allows JavaScript injection through unsanitized error parameter. Attackers can execute arbitrary JavaScript in the user's browser during OAuth authentication. Details Vulnerable Code: spotipy/oauth2.py lines 1238-1274 RequestHandler.doGET The...

PYSEC-2026-1989 trytond does not enforce access rights for data export

Tryton trytond 6.0 before 7.6.11 does not enforce access rights for data export. This is fixed in 7.6.11, 7.4.21, 7.0.40, and 6.0.70...

PYSEC-2026-1773 pgAdmin has vulnerability in LDAP authentication mechanism that allows bypassing TLS certificate verification

pgAdmin = 9.9 is affected by a vulnerability in the LDAP authentication mechanism allows bypassing TLS certificate verification...

PYSEC-2026-1741 Open WebUI vulnerable to Stored DOM XSS via prompts when 'Insert Prompt as Rich Text' is enabled resulting in ATO/RCE

Summary The functionality that inserts custom prompts into the chat window is vulnerable to DOM XSS when 'Insert Prompt as Rich Text' is enabled, since the prompt body is assigned to the DOM sink .innerHtml without sanitisation. Any user with permissions to create prompts can abuse this to plant ...

PYSEC-2026-1766 pg8000 SQL injection vulnerability via a specially crafted Python list input

SQL injection vulnerability in tlocke pg8000 1.31.4 allows remote attackers to execute arbitrary SQL commands via a specially crafted Python list input to function pg8000.native.literal...

PYSEC-2026-1930 Hugging Face Smolagents XPath injection vulnerability in the search_item_ctrl_f function

Hugging Face Smolagents version 1.20.0 contains an XPath injection vulnerability in the searchitemctrlf function located in src/smolagents/visionwebbrowser.py. The function constructs an XPath query by directly concatenating user-supplied input into the XPath expression without proper sanitizatio...

PYSEC-2026-1932 Python Social Auth - Django has unsafe account association

Impact Upon authentication, the user could be associated by e-mail even if the associatebyemail pipeline was not included. This could lead to account compromise when a third-party authentication service does not validate provided e-mail addresses or doesn't require unique e-mail addresses. Patche...

PYSEC-2026-1632 mkdocs-include-markdown-plugin susceptible to unvalidated input colliding with substitution placeholders

Impact CWE-20: Improper Input Validation Low impact Patches Patched in v7.1.8 commit https://github.com/mondeja/mkdocs-include-markdown-plugin/commit/7466d67aa0de8ffbc427204ad2475fed07678915 Workarounds No...

PYSEC-2026-1935 SPDK is vulnerable to buffer overflow in the NVMe-oF target component

Storage Performance Development Kit SPDK 25.05 is vulnerable to Buffer Overflow in the NVMe-oF target component in SPDK - lib/nvmf...

PYSEC-2026-1288 DataChain Vulnerable to Deserialization of Untrusted Data from Environment Variables

The DataChain library reads serialized objects from environment variables such as DATACHAINMETASTORE and DATACHAINWAREHOUSE in the loader.py module. An attacker with the ability to set these environment variables can trigger code execution when the application loads...

PYSEC-2026-1562 llama-index-core insecurely handles temporary files

The llama-index-core package, up to version 0.12.44, contains a vulnerability in the getcachedir function where a predictable, hardcoded directory path /tmp/llamaindex is used on Linux systems without proper security controls. This vulnerability allows attackers on multi-user systems to steal...

PYSEC-2026-1980 Hugging Face Transformers vulnerable to Regular Expression Denial of Service (ReDoS) in the AdamWeightDecay optimizer

The huggingface/transformers library, versions prior to 4.53.0, is vulnerable to Regular Expression Denial of Service ReDoS in the AdamWeightDecay optimizer. The vulnerability arises from the douseweightdecay method, which processes user-controlled regular expressions in the includeinweightdecay...

PYSEC-2026-1769 pgadmin4 is affected by a Cross-Origin Opener Policy (COOP) vulnerability

pgAdmin = 9.7 is affected by a Cross-Origin Opener Policy COOP vulnerability. This vulnerability allows an attacker to manipulate the OAuth flow, potentially leading to unauthorised account access, account takeover, data breaches, and privilege escalation...

PYSEC-2026-1968 TkEasyGUI Affected by Uncontrolled Search Path Element Issue

Uncontrolled search path element issue exists in TkEasyGUI versions prior to v1.0.22. If this vulnerability is exploited, arbitrary code may be executed with the privilege of running the program...

PYSEC-2026-1561 LlamaIndex affected by a Denial of Service (DOS) in JSONReader

A denial of service vulnerability exists in the JSONReader component of the run-llama/llamaindex repository, specifically in version v0.12.37. The vulnerability is caused by uncontrolled recursion when parsing deeply nested JSON files, which can lead to Python hitting its maximum recursion depth...

PYSEC-2026-1608 MaterialX Lack of MTLX Import Depth Limit Leads to DoS (Denial-Of-Service) Via Stack Exhaustion

Summary Nested imports of MaterialX files can lead to a crash via stack memory exhaustion, due to the lack of a limit on the "import chain" depth. Details The MaterialX specification supports importing other files by using XInclude tags. When parsing file imports, recursion is used to process...

PYSEC-2026-1606 MaterialX Null Pointer Dereference in getShaderNodes due to Unchecked nodeGraph->getOutput return

Summary When parsing shader nodes in a MTLX file, the MaterialXCore code accesses a potentially null pointer, which can lead to crashes with maliciously crafted files. Details In src/MaterialXCore/Material.cpp, in function getShaderNodes, the following code fetches the output nodes for a given...