PYSEC-2026-2005 vantage6 vulnerable to a username timing attack on recover password/MFA token

Impact Much like https://github.com/vantage6/vantage6/security/advisories/GHSA-45gq-q4xh-cp53, it is possible to find which usernames exist in vantage6 by calling the API routes /recover/lost and /2fa/lost, which send emails to users if they have lost their password or MFA token. Usernames can be...

PYSEC-2026-1534 LibOSDP vulnerable to a null pointer deref in osdp_reply_name

Issue: At ospdcommon.c, on the osdpreplyname function, any reply id between REPLYACK and REPLYXRD is valid, but names array do not declare all of the range. On a case of an undefined reply id within the range, name will be null name = namesreplyid - REPLYACK;. Null name will casue a crash on next...

PYSEC-2026-1484 JWCrypto vulnerable to JWT bomb Attack in `deserialize` function

Affected version Vendor: https://github.com/latchset/jwcrypto Version: 1.5.5 Description An attacker can cause a DoS attack by passing in a malicious JWE Token with a high compression ratio. When the server processes this Token, it will consume a lot of memory and processing time. Poc python from...

PYSEC-2026-1535 LibOSDP RMAC revert to the beginning of the session

Issues: - SCS14 is allowed on encrypted connection osdpphy.c - No validation for RMACI is only in response to osdpSCRYPT osdpcp.c - Couldn't find anything specific in the OSDP specifications indicating it is forbidden, I'm gussing it shouldn't be allowed according from the secure connection...

PYSEC-2026-1595 m2crypto Bleichenbacher timing attack - incomplete fix for CVE-2020-25657

A flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data...

PYSEC-2026-2008 vantage6 vulnerable to username timing attack

Impact It is possible to find out usernames from the response time of login requests. This could aid attackers in credential attacks Workarounds No...

PYSEC-2026-1811 PyCryptodome and pycryptodomex side-channel leakage for OAEP decryption

PyCryptodome and pycryptodomex before 3.19.1 allow side-channel leakage for OAEP decryption, exploitable for a Manger attack...

PYSEC-2026-1120 Ansible symlink attack vulnerability

An absolute path traversal attack exists in the Ansible automation platform. This flaw allows an attacker to craft a malicious Ansible role and make the victim execute the role. A symlink can be used to overwrite a file outside of the extraction path...

Prefix Truncation Attack against ChaCha20-Poly1305 and Encrypt-then-MAC aka Terrapin

SummaryTerrapin is a prefix truncation attack targeting the SSH protocol. More precisely, Terrapin breaks the integrity of SSH's secure channel. By carefully adjusting the sequence numbers during the handshake, an attacker can remove an arbitrary amount of messages sent by the client or server at...

PYSEC-2026-1661 Information exposure in MLflow

An issue in MLFlow versions 2.8.1 and before allows a remote attacker to obtain sensitive information via a crafted request to REST API...

PYSEC-2026-1758 Prefix Truncation Attack against ChaCha20-Poly1305 and Encrypt-then-MAC aka Terrapin

Summary Terrapin is a prefix truncation attack targeting the SSH protocol. More precisely, Terrapin breaks the integrity of SSH's secure channel. By carefully adjusting the sequence numbers during the handshake, an attacker can remove an arbitrary amount of messages sent by the client or server a...

PYSEC-2026-1763 PDM Trojan Lockfile

Summary It's possible to craft a malicious pdm.lock file that could allow e.g. an insider or a malicious open source project to appear to depend on a trusted PyPI project, but actually install another project. Details Project foo can be targeted by creating the project foo-2 and uploading the fil...

PDM Trojan Lockfile

SummaryIt's possible to craft a malicious pdm.lock file that could allow e.g. an insider or a malicious open source project to appear to depend on a trusted PyPI project, but actually install another project. DetailsProject foo can be targeted by creating the project foo-2 and uploading the file...

PYSEC-2026-885 nsupdate.info has Sensitive Cookie Without 'HttpOnly' Flag

A vulnerability classified as problematic has been found in nsupdate.info. This affects an unknown part of the file src/nsupdate/settings/base.py of the component CSRF Cookie Handler. The manipulation of the argument CSRFCOOKIEHTTPONLY leads to cookie without httponly flag. It is possible to...

PYSEC-2026-820 Graphite Web Cross-site Scripting vulnerability

A vulnerability was found in Graphite Web and classified as problematic. This issue affects some unknown processing of the component Template Name Handler. The manipulation leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be...

PYSEC-2026-901 Apache Pulsar Disabled Certificate Validation for OAuth Client Credential Requests makes C++/Python Clients vulnerable to MITM attack

The Apache Pulsar C++ Client does not verify peer TLS certificates when making HTTPS calls for the OAuth2.0 Client Credential Flow, even when tlsAllowInsecureConnection is disabled via configuration. This vulnerability allows an attacker to perform a man in the middle attack and intercept and/or...

PYSEC-2026-827 jwcrypto token substitution can lead to authentication bypass

The JWT code can auto-detect the type of token being provided, and this can lead the application to incorrect conclusions about the trustworthiness of the token. Quoting the private disclosure we received : "Under certain circumstances, it is possible to substitute a .. signed JWS with a JWE that...

PYSEC-2026-809 Flask-Security vulnerable to Open Redirect

This affects all versions of package Flask-Security. When using the getpostlogoutredirect and getpostloginredirect functions, it is possible to bypass URL validation and redirect a user to an arbitrary URL by providing multiple back slashes such as \\evil.com/path. This vulnerability is only...

SUSE CVE-2026-13792

Use after free in Touchbar in Google Chrome on Mac prior to 150.0.7871.47 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. Chromium security severity: High...

SUSE CVE-2026-13814

Use after free in Views in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a crafted HTML page. Chromium security severity: High...