PYSEC-2026-2528 joserfc: HS256/HS384/HS512 verify accepts empty/nil HMAC key (cross-language sibling of CVE-2026-45363)

Summary joserfc.jwt.decode accepts attacker-forged HMAC-signed tokens when the caller-supplied verification key is the empty string or None. HMACAlgorithm.sign and HMACAlgorithm.verify in src/joserfc/rfc7518/jwsalgs.py:62-70 feed whatever OctKey.getopkey... produced into hmac.new..., and...

Open Babel has uninitialized pointer dereference in MSI atom parser

SummaryA memory-safety vulnerability in Open Babel's MSI parser caused anuninitialized pointer dereference when reading a crafted input file. DetailsThe flaw was in the atom handling of the MSI reader. A malformedrecord caused the parser to dereference an atom pointer that hadnever been...

Open Babel has heap buffer overflow in SMILES OBSmilesParser::ParseSmiles

SummaryA memory-safety vulnerability in Open Babel's SMILES parser caused aheap buffer overflow when reading a crafted input string. DetailsThe flaw was in OBSmilesParser::ParseSmiles. A malformed SMILESinput caused the parser to write past the end of a heap-allocatedbuffer. ImpactOpen Babel is a...

PYSEC-2026-2782 Open Babel has NULL pointer dereference in ChemKinFormat::ReadReactionQualifierLines

Summary A memory-safety vulnerability in Open Babel's ChemKin parser caused a NULL pointer dereference when reading a crafted input file. Details The flaw was in ChemKinFormat::ReadReactionQualifierLines. A malformed reaction qualifier record caused the parser to dereference a NULL pointer. Impac...

PYSEC-2026-2778 Open Babel has heap buffer overflow in ChemKin ChemKinFormat::CheckSpecies

Summary A memory-safety vulnerability in Open Babel's ChemKin parser caused a heap buffer overflow when reading a crafted input file. Details The flaw was in ChemKinFormat::CheckSpecies. A malformed species record caused the parser to write past the end of a heap-allocated buffer. Impact Open Bab...

PYSEC-2026-2678 OpenStack Neutron has an Incorrect Authorization issue

In OpenStack Neutron before 28.0.1, the tagging controller enforces plural policy action names on single-tag write operations while the defined policy rules use singular names. The mismatched names evaluate as allowed under the default policy, permitting a project reader to create and update tags...

PYSEC-2026-2548 Keylime has a hardcoded attestation challenge nonce that allows replay attacks

CVE-2026-6420: Hardcoded attestation challenge nonce allows replay attacks Impact The CertificationParameters.generatechallenge method in the push attestation protocol uses a hardcoded challenge nonce instead of generating a cryptographically random value. This removes the nonce-based replay...

open-webui Vulnerable to Stored XSS via Model Description

!IMPORTANT Relationship to CVE-2024-7990 CVE-2024-7990 issued by huntr.dev, March 2025 describes a stored XSS in the same field — the model description — but exploits a different bypass mechanism: a second-order injection through the sanitizeResponseContent function's video-tag placeholder...

Aegra has cross-user run injection in /threads/{thread_id}/runs (IDOR)

ImpactAegra deployments running 0.9.0 through 0.9.6 with multiple authenticated users on a shared instance are vulnerable to a cross-tenant IDOR. Any authenticated user User A, given another user's threadid User B, can:- Execute graph runs against User B's thread via POST /threads/threadid/runs,...

Giskard has Unsandboxed Jinja2 Template Rendering in ConformityCheck

Summary The ConformityCheck class in giskard-checks rendered the rule parameter through Jinja2's default Template constructor. Because the rule string is silently interpreted as a Jinja2 template, a developer may not realize that template expressions embedded in rule definitions are evaluated at...

PYSEC-2026-2404 Bugsink affected by authenticated arbitrary file write in artifactbundle/assemble

Authenticated arbitrary file write in artifact bundle assembly Summary An authenticated file write vulnerability was identified in Bugsink 2.1.0 in the artifact bundle assembly flow. A user with a valid authentication token could cause the application to write attacker-controlled content to a...

PYSEC-2026-2504 Graphiti vulnerable to Cypher Injection via unsanitized node_labels in search filters

Summary Graphiti versions before 0.28.2 contained a Cypher injection vulnerability in shared search-filter construction for non-Kuzu backends. Attacker-controlled label values supplied through SearchFilters.nodelabels were concatenated directly into Cypher label expressions without validation. In...

PYSEC-2026-2448 Django vulnerable to Uncontrolled Resource Consumption

An issue was discovered in 6.0 before 6.0.3, 5.2 before 5.2.12, and 4.2 before 4.2.29. URLField.topython in Django calls urllib.parse.urlsplit, which performs NFKC normalization on Windows that is disproportionately slow for certain Unicode characters, allowing a remote attacker to cause denial o...

Docassemble unauthorized access through URL manipulation

ImpactThe vulnerability allows attackers to gain unauthorized access to information on the system through URL manipulation. It affects versions 1.4.53 to 1.4.96. PatchesThe vulnerability has been patched in version 1.4.97 of the master branch. The Docker image on docker.io has been patched...

Apache Airflow Celery provider Insertion of Sensitive Information into Log File vulnerability

Insertion of Sensitive Information into Log File vulnerability in Apache Airflow Celery provider, Apache Airflow.Sensitive information logged as clear text when rediss, amqp, rpc protocols are used as Celery result backendNote: thevulnerability is about the information exposed in the logs not abo...

PYSEC-2026-3368 Segfault in `CompositeTensorVariantToComponents`

Impact An input encoded that is not a valid CompositeTensorVariant tensor will trigger a segfault in tf.rawops.CompositeTensorVariantToComponents. python import tensorflow as tf encode = tf.rawops.EmptyTensorListelementdtype=tf.int32, elementshape=10, 15, maxnumelements=2 meta= ""...

Overflow in `ImageProjectiveTransformV2`

ImpactWhen tf.rawops.ImageProjectiveTransformV2 is given a large output shape, it overflows.pythonimport tensorflow as tfinterpolation = "BILINEAR"fillmode = "REFLECT"images = tf.constant0.184634328, shape=2,5,8,3, dtype=tf.float32transforms = tf.constant0.378575385, shape=2,8,...

PYSEC-2026-3275 Overflow in `ImageProjectiveTransformV2`

Impact When tf.rawops.ImageProjectiveTransformV2 is given a large output shape, it overflows. python import tensorflow as tf interpolation = "BILINEAR" fillmode = "REFLECT" images = tf.constant0.184634328, shape=2,5,8,3, dtype=tf.float32 transforms = tf.constant0.378575385, shape=2,8,...

PYSEC-2026-3349 TensorFlow vulnerable to `CHECK` fail in `Save` and `SaveSlices`

Impact If Save or SaveSlices is run over tensors of an unsupported dtype, it results in a CHECK fail that can be used to trigger a denial of service attack. python import tensorflow as tf filename = tf.constant"" tensornames = tf.constant"" Save data = tf.casttf.random.uniformshape=1,...

PYSEC-2026-3147 TensorFlow vulnerable to `CHECK` fail in `LRNGrad`

Impact If LRNGrad is given an outputimage input tensor that is not 4-D, it results in a CHECK fail that can be used to trigger a denial of service attack. python import tensorflow as tf depthradius = 1 bias = 1.59018219 alpha = 0.117728651 beta = 0.404427052 inputgrads = tf.random.uniformshape=4,...