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Back to active CVEs
High · CVSS 7.4CVE-2026-103314

Stackrox: stackrox: saml response replay allows multiple central authentication tokensCVE-2026-103314

Answer in brief

CVE-2026-103314 records a High severity (CVSS 7.4) vulnerability in Stackrox: stackrox: saml response replay allows multiple central authentication tokens. The current sources do not mark it as known exploited. The current feed maps Red Hat/advanced-cluster-security/rhacs-main-rhel8 (generic), Red Hat/advanced-cluster-security/rhacs-main-rhel9 (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 Oct 19, 2026Updated Oct 19, 2026Source checked Oct 19, 2026First seen by HOL Oct 19, 2026Material review Oct 19, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.4
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 7.4. 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/advanced-cluster-security/rhacs-main-rhel8 (generic), Red Hat/advanced-cluster-security/rhacs-main-rhel9 (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Red Hat/advanced-cluster-security/rhacs-main-rhel8generic*Not reported
Red Hat/advanced-cluster-security/rhacs-main-rhel9generic*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Red Hat/advanced-cluster-security/rhacs-main-rhel8, Red Hat/advanced-cluster-security/rhacs-main-rhel9.
  2. 2Review the reported fix. Source-reported workaround: Until an update is available, restrict network access to the Central SAML ACS endpoint to trusted identity providers and networks, and reduce SAML assertion lifetimes at the identity provider where possible.

Evidence timeline and material changes

  1. Published upstream

    Oct 19, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 19, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 19, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
Upstream source description

A flaw was found in Red Hat Advanced Cluster Security for Kubernetes (RHACS). The Central SAML authentication ACS endpoint does not retain used SAML assertion or response identifiers to prevent replay. An attacker who obtains a valid, unexpired signed SAML response can submit it multiple times and receive distinct Central authentication tokens for the mapped identity.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-294
Source
CVE List V5
Source checked
Oct 19, 2026
References
2 linked sources
Open source record