CVE-2026-9162 Global session revocation does not invalidate active WebSocket connections

Mattermost versions 11.7.x = 11.7.0, 11.6.x = 11.6.2, 11.5.x = 11.5.5, 10.11.x = 10.11.17 fail to invalidate cached authentication state for active WebSocket connections during global session revocation, which allows a user with an existing WebSocket connection to remain authenticated and continu...

PT-2026-51322

Name of the Vulnerable Software and Affected Versions Mattermost versions 10.11.x through 10.11.17 Mattermost versions 11.5.x through 11.5.5 Mattermost versions 11.6.x through 11.6.2 Mattermost versions 11.7.x through 11.7.0 Description An issue exists where the system fails to invalidate cached...

Important: amazon-cloudwatch-agent

Issue Overview: Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service. CVE-2026-25680 The RSA and DSA public key parsers did not enforce size limits on key parameters. A crafted public key with an excessively large modulus or DSA parameter could cause severa...

CVE-2026-9162: Insufficient Session Expiration

Mattermost versions 11.7.x = 11.7.0, 11.6.x = 11.6.2, 11.5.x = 11.5.5, 10.11.x = 10.11.17 fail to invalidate cached authentication state for active WebSocket connections during global session revocation, which allows a user with an existing WebSocket connection to remain authenticated and continu...

Important: amazon-cloudwatch-agent

Issue Overview: Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service. CVE-2026-25680 The RSA and DSA public key parsers did not enforce size limits on key parameters. A crafted public key with an excessively large modulus or DSA parameter could cause severa...

PT-2026-53742

Name of the Vulnerable Software and Affected Versions Apache Tomcat versions 11.0.0-M1 through 11.0.22 Apache Tomcat versions 10.1.0-M7 through 10.1.55 Apache Tomcat versions 9.0.83 through 9.0.118 Description An issue exists in the FFM-based TLS connector when certificate revocation lists CRLs a...

Fixed in Apache Tomcat 10.1.56

Moderate: Security constraints for default servlet ignored method CVE-2026-55956 If security constraints were specified for the default servlet, any method or method omission configured as part of the constraint was ignored. This was fixed with commit 9c3b1efb. This issue was reported to the Tomc...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : Go Cryptography vulnerabilities (USN-8447-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8447-1 advisory. It was discovered that Go Cryptography did not properly handle SSH global request responses. ...

GHSA-C36X-H252-G9X2 OpenBao: Cross-namespace lease revocation/renewal via canonical sys/leases/{revoke,renew} — incomplete fix of CVE-2026-45808

Summary OpenBao users with access to the sys/leases/revoke/:leaseid endpoint in any namespace can revoke leases in any other namespace as long as the lease identifier is known to them, bypassing ACLs that should apply for cross-namespace revocations. Impact OpenBao's namespaces provide multi-tena...

OpenBao: Cross-namespace lease revocation/renewal via canonical sys/leases/{revoke,renew} — incomplete fix of CVE-2026-45808

Summary OpenBao users with access to the sys/leases/revoke/:leaseid endpoint in any namespace can revoke leases in any other namespace as long as the lease identifier is known to them, bypassing ACLs that should apply for cross-namespace revocations. Impact OpenBao's namespaces provide multi-tena...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via the sys/leases/revoke/:leaseid endpoint. An attacker can bypass access controls and revoke or renew leases in unauthorized namespaces by supplying known lease identifiers. Remediation Upgrade...

PT-2026-51109

Name of the Vulnerable Software and Affected Versions openbao affected versions not specified openbao-agent affected versions not specified openbao-cassandra-database-plugin affected versions not specified openbao-influxdb-database-plugin affected versions not specified...

USN-8447-2 lxd vulnerabilities

USN-8447-1 fixed vulnerabilities in Go Cryptography. This update provides the corresponding updates for Go Cryptography code embedded in LXD for CVE-2026-39830, CVE-2026-39833, CVE-2026-39834, and CVE-2026-42508. Original advisory details: It was discovered that Go Cryptography did not properly...

USN-8447-2: LXD vulnerabilities

USN-8447-1 fixed vulnerabilities in Go Cryptography. This update provides the corresponding updates for Go Cryptography code embedded in LXD for CVE-2026-39830, CVE-2026-39833, CVE-2026-39834, and CVE-2026-42508. Original advisory details: It was discovered that Go Cryptography did not properly...

GHSA-Q99W-VH6V-Q3V7 OpenClaw: Pairing-scoped device session could restore revoked node token authority

Summary In affected releases, a surviving pairing-scoped session for a device could re-establish node token authority after that node token had been revoked. Revocation should require the device to lose that authority unless it is approved again through the normal pairing flow. This issue affects...

OpenClaw: Pairing-scoped device session could restore revoked node token authority

Summary In affected releases, a surviving pairing-scoped session for a device could re-establish node token authority after that node token had been revoked. Revocation should require the device to lose that authority unless it is approved again through the normal pairing flow. This issue affects...

Incorrect Authorization

Overview openclaw is a 🦞 OpenClaw — Personal AI Assistant Affected versions of this package are vulnerable to Incorrect Authorization in the session management process. An attacker can regain previously revoked node token authority by maintaining a pairing-scoped device session after the token ha...

Siemens SIMATIC S7-1500 TM MFP NULL Pointer Dereference (CVE-2026-28388)

Issue summary: When a delta CRL that contains a Delta CRL Indicator extension is processed a NULL pointer dereference might happen if the required CRL Number extension is missing. Impact summary: A NULL pointer dereference can trigger a crash which leads to a Denial of Service for an application...

GHSA-R989-7G3J-WJHW NocoDB: Refresh Tokens Persist Through Password Recovery

Summary A stolen refresh token survived a password-forgot flow and could be used to mint fresh JWTs even after the user reset their password. Details passwordChange and passwordReset deleted the user's refresh tokens, but passwordForgot only rotated tokenversion and revoked OAuth tokens — it did...

USN-8447-1 golang-go.crypto vulnerabilities

It was discovered that Go Cryptography did not properly handle SSH global request responses. A remote attacker could possibly use this issue to cause a denial of service. CVE-2026-39830 It was discovered that Go Cryptography did not properly verify user presence when using FIDO/U2F security keys...