CVE-2026-56667

ZITADEL, an open source identity management platform, contains a Stored XSS flaw prior to version 4.15.3 in the Login V2 OIDC and SAML FailedPrecondition error paths. The bug returns loginSettings.defaultRedirectUri to router.push without applying isSafeRedirectUri, enabling an organization or in...

OpenVPN 2.5.0 < 2.5.12 / 2.6.0 < 2.6.21 / 2.7.x < 2.7.5 Memory Leak DoS

According to its self-reported version number, the version of OpenVPN installed on the remote Windows host is affected by a denial of service vulnerability: - A memory leak in tls-crypt-v2 client key handling allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a deni...

Updated openvpn packages fix security vulnerabilities

The updated packages fix security vulnerabilities: Possible 1-byte buffer overrun on NTLMv2 proxy responses. CVE-2026-11771 Memory-leak in tls-crypt-v2 client key handling that could lead to out-of-memory situations and subsequent server crashes. CVE-2026-12932 Use-after-free bug in ackwritebuf,...

Important: nginx

Issue Overview: NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion to 2 or grpcpass directives are used to proxy HTTP/2 traffic, the ignoreinvalidheaders directive is set to off, and...

nginx: NGINX: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers

A flaw was found in NGINX. When NGINX is configured to proxy HTTP/2 traffic using the ngxhttpproxyv2module or ngxhttpgrpcmodule with specific settings, a remote, unauthenticated attacker can send specially crafted large headers. This can trigger a heap-based buffer overflow, leading to a restart ...

GO-2026-5764 DoS due to Panic in AWS SDK for Go v2 SDK EventStream Decoder in github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream

DoS due to Panic in AWS SDK for Go v2 SDK EventStream Decoder in github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream...

PYSEC-2026-992 Heap overflow in `QuantizeAndDequantizeV2`

Impact The function MakeGrapplerFunctionItem takes arguments that determine the sizes of inputs and outputs. If the inputs given are greater than or equal to the sizes of the outputs, an out-of-bounds memory read or a crash is triggered. python import tensorflow as tf @tf.function def test:...

PYSEC-2026-982 TensorFlow vulnerable to `CHECK` fail in `RandomPoissonV2`

Impact When RandomPoissonV2 receives large input shape and rates, it gives a CHECK fail that can trigger a denial of service attack. python import tensorflow as tf arg0=tf.random.uniformshape=4,, dtype=tf.int32, maxval=65536 arg1=tf.random.uniformshape=4, 4, 4, 4, 4, dtype=tf.float32, maxval=None...

CVE-2026-49296 Apache Airflow: Per-DAG read bypass discloses co-located DAGs' source via GET /api/v2/dagSources/{dag_id}

Before apache-airflow 3.3.0, a user authorized to read one Dag could disclose the source of other Dags co-located in the same source file. GET /api/v2/dagSources/dagid — and the equivalent Dag-source view in the UI — returned the entire source file without redacting Dags the caller was not...

CVE-2026-13698

A memory leak in OpenVPN version 2.5.0 through 2.5.11, 2.6.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a denial of service...

CVE-2026-13698

CVE-2026-13698 is a memory-leak issue in OpenVPN related to tls-crypt-v2 client key handling, as noted in Mageia advisory MGASA-2026-0236. The advisory explicitly links this CVE to a memory leak that could contribute to server instability or crashes. Mageia reports the OpenVPN vulnerability along...

CVE-2026-13698

A memory leak in OpenVPN version 2.5.0 through 2.5.11, 2.6.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a denial of service...

CVE-2026-13698

A memory leak in OpenVPN version 2.5.0 through 2.5.11, 2.6.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a denial of service...

CVE-2026-13698

A memory leak in OpenVPN version 2.5.0 through 2.5.11, 2.6.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a denial of service...

OESA-2026-2801 nginx security update

NGINX is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Security Fixes: NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion ...

OESA-2026-2800 nginx security update

NGINX is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Security Fixes: NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion ...

OESA-2026-2799 nginx security update

NGINX is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Security Fixes: NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion ...

OESA-2026-2798 nginx security update

NGINX is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Security Fixes: NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion ...

openvpn -- multiple vulnerabilities

The OpenVPN community project team reports: ... OpenVPN 2.7.5 ... is a bugfix release fixing several security issues: Fix use-after-free bug in ackwritebuf, triggerable by a well-timed sequence of control channel + authentication packets CVE-2026-12996 Fix use-after-free bug in tlswrapreneg,...

PT-2026-56044

Name of the Vulnerable Software and Affected Versions OpenVPN affected versions not specified Description A use-after-free issue exists in the check session buf not used function within the tls-crypt-v2 mechanism and the tls wrap reneg function. A remote attacker could exploit this to cause a...