CVE-2026-34481

Apache Log4j's JsonTemplateLayout https://logging.apache.org/log4j/2.x/manual/json-template-layout.html , in versions up to and including 2.25.3, produces invalid JSON output when log events contain non-finite floating-point values NaN, Infinity, or -Infinity, which are prohibited by RFC 8259. Th...

CVE-2026-34481

Apache Log4j's JsonTemplateLayout https://logging.apache.org/log4j/2.x/manual/json-template-layout.html , in versions up to and including 2.25.3, produces invalid JSON output when log events contain non-finite floating-point values NaN, Infinity, or -Infinity, which are prohibited by RFC 8259. Th...

CVE-2026-34481

CVE-2026-34481 affects Apache Log4j’s JsonTemplateLayout. Versions up to 2.25.3 produce invalid JSON when log events contain non-finite floating-point values (NaN, Infinity, -Infinity), violating RFC 8259 and potentially causing downstream log processors to reject or fail indexing. Exploitation r...

CVE-2026-34481 Apache Log4j JSON Template Layout: Improper serialization of non-finite floating-point values in JsonTemplateLayout

Apache Log4j's JsonTemplateLayout https://logging.apache.org/log4j/2.x/manual/json-template-layout.html , in versions up to and including 2.25.3, produces invalid JSON output when log events contain non-finite floating-point values NaN, Infinity, or -Infinity, which are prohibited by RFC 8259. Th...

CVE-2026-34481 Apache Log4j JSON Template Layout: Improper serialization of non-finite floating-point values in JsonTemplateLayout

Apache Log4j's JsonTemplateLayout https://logging.apache.org/log4j/2.x/manual/json-template-layout.html , in versions up to and including 2.25.3, produces invalid JSON output when log events contain non-finite floating-point values NaN, Infinity, or -Infinity, which are prohibited by RFC 8259. Th...

CVE-2026-34481 Apache Log4j JSON Template Layout: Improper serialization of non-finite floating-point values in JsonTemplateLayout

Apache Log4j's JsonTemplateLayout https://logging.apache.org/log4j/2.x/manual/json-template-layout.html , in versions up to and including 2.25.3, produces invalid JSON output when log events contain non-finite floating-point values NaN, Infinity, or -Infinity, which are prohibited by RFC 8259. Th...

EUVD-2026-21417

Vikunja: Link Share JWT tokens remain valid for 72 hours after share deletion or permission downgrade...

Insufficient Session Expiration

Overview Affected versions of this package are vulnerable to Insufficient Session Expiration due to the lack of server-side validation in the GetLinkShareFromClaims process. An attacker can retain unauthorized access to resources by using previously issued JWT tokens even after a link share is...

Vikunja: Link Share JWT tokens remain valid for 72 hours after share deletion or permission downgrade

Title Link Share JWT tokens remain valid for 72 hours after share deletion or permission downgrade Description Vikunja's link share authentication constructs authorization objects entirely from JWT claims without any server-side database validation. When a project owner deletes a link share or...

GHSA-8JVC-MCX6-R4CG Vikunja has TOTP Two-Factor Authentication Bypass via OIDC Login Path

Summary The OIDC callback handler issues a full JWT token without checking whether the matched user has TOTP two-factor authentication enabled. When a local user with TOTP enrolled is matched via the OIDC email fallback mechanism, the second factor is completely skipped. Details The OIDC callback...

GHSA-8F9R-GR6R-X63Q Duplicate Advisory: OpenClaw: Feishu webhook reads and parses unauthenticated request bodies before signature validation

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-3h52-cx59-c456. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.25 parses JSON request bodies before validating webhook signatures, allowing unauthenticated...

Duplicate Advisory: OpenClaw: Feishu webhook reads and parses unauthenticated request bodies before signature validation

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-3h52-cx59-c456. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.25 parses JSON request bodies before validating webhook signatures, allowing unauthenticated...

Vikunja Authorization Vulnerabilities

Vikunja is an open-source to-do application developed by Vikunja. Versions of Vikunja prior to 2.3.0 had an authorization vulnerability. This vulnerability stemmed from the OIDC callback handler, which issued full JWT tokens without checking whether the matching user had enabled TOTP two-factor...

PT-2026-31944

Name of the Vulnerable Software and Affected Versions: Vikunja versions prior to 2.3.0 Description: A flaw exists in the OIDC callback handler where a full JWT token is issued without verifying TOTP two-factor authentication status for the matched user. Specifically, when a local user with TOTP...

PT-2026-31953

Name of the Vulnerable Software and Affected Versions: Vikunja versions prior to 2.3.0 Description: The Vikunja file import endpoint incorrectly uses the attacker-controlled Size field from the JSON metadata within an import zip file instead of the actual decompressed file content length for file...

Vikunja security vulnerabilities

Vikunja is an open-source to-do application developed by Vikunja developers. Versions of Vikunja prior to 2.3.0 contained security vulnerabilities. These vulnerabilities stemmed from the use of the Size field in JSON metadata at the file import endpoint for size checks, rather than the actual...

Saltcorn path traversal vulnerability

Saltcorn is an open-source, scalable, code-free database application builder developed by Saltcorn. Versions of Saltcorn prior to 1.4.5, 1.5.5, and 1.6.0-beta.4 contained a path traversal vulnerability. This vulnerability stemmed from the POST /sync/offlinechanges endpoint, which allowed...

Important Photon OS Security Update - PHSA-2026-5.0-0816

Updates of 'rubygem-rdiscount', 'python3-PyJWT' packages of Photon OS have been released...

MariaDB 11.4.1 < 11.4.10 DoS

The version of MariaDB installed on the remote host is prior to 11.4.10. It is, therefore, affected by a vulnerability as referenced in the GHSA-4rj5-2227-9wgc advisory. - MariaDB server is a community developed fork of MySQL server. An authenticated user can crash MariaDB versions 11.4 before...

CVE-2026-35602: Allocation of Resources Without Limits or Throttling

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, the Vikunja file import endpoint uses the attacker-controlled Size field from the JSON metadata inside the import zip instead of the actual decompressed file content length for the file size enforcement check. By...