Picketlink-federation: auth bypass in picketlink saml unsolicited-response (CVE-2026-10579) | HOL Guard CVE

Critical · CVSS 9.8CVE-2026-10579

Picketlink-federation: auth bypass in picketlink saml unsolicited-response

Answer in brief

CVE-2026-10579 records a Critical severity (CVSS 9.8) vulnerability in Picketlink-federation: auth bypass in picketlink saml unsolicited-response. The current sources do not mark it as known exploited. The current feed maps Red Hat/picketlink-federation (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 11, 2026Updated Sep 25, 2026Source checked Sep 25, 2026First seen by HOL Aug 11, 2026Material review Sep 25, 2026

Upstream Advisory

Key facts

Risk: Critical · CVSS 9.8
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 9.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Red Hat/picketlink-federation (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Red Hat/picketlink-federationgeneric	*	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Red Hat/picketlink-federation.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Aug 11, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 25, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 11, 2026

Sources and claim methodology

Upstream source description

A flaw was found in Picketlink Federation SAML; the unsolcited response handler would accept forged assertions with no verification or validation, permitting an unauthed attacker to authenticate as any principal in any role. This could lead to information disclosure, access to restricted operations, or other flaws.

Quoted source text, attributed separately from HOL analysis.