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  4. CVE 2026 74243 quay unauthenticated secscan notification
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Back to active CVEs
Medium · CVSS 6.5CVE-2026-74243

Quay: unauthenticated secscan notification endpoint in quay when psk is unsetCVE-2026-74243

Answer in brief

CVE-2026-74243 records a Medium severity (CVSS 6.5) vulnerability in Quay: unauthenticated secscan notification endpoint in quay when psk is unset. The current sources do not mark it as known exploited. The current feed maps Red Hat/openshift-update-service/openshift-update-service-rhel8 (generic), Red Hat/quay/quay-rhel8 (generic), Red Hat/quay/quay-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 Aug 14, 2026Updated Nov 1, 2026Source checked Nov 13, 2026First seen by HOL Aug 14, 2026Material review Nov 1, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.5
Exploitation
Not marked as known exploited
Affected software
5 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 6.5. 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/openshift-update-service/openshift-update-service-rhel8 (generic), Red Hat/quay/quay-rhel8 (generic), Red Hat/quay/quay-rhel9 (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:redhat:openshift_update_service:-:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:a:redhat:quay:3.0.0:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Red Hat/openshift-update-service/openshift-update-service-rhel8generic*Not reported
Red Hat/quay/quay-rhel8generic*Not reported
Red Hat/quay/quay-rhel9generic*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Red Hat/openshift-update-service/openshift-update-service-rhel8, Red Hat/quay/quay-rhel8, Red Hat/quay/quay-rhel9.
  2. 2Review the reported fix. Source-reported workaround: To mitigate this vulnerability, configure the `SECURITY_SCANNER_V4_PSK` in your Red Hat Quay standalone installation. This pre-shared key enables authentication for the security scanner notification endpoint, preventing unauthenticated access. Refer to the Red Hat Quay documentation for instructions on setting this configuration parameter. A restart of the Quay service may be required for the changes to take effect.

Evidence timeline and material changes

  1. Published upstream

    Aug 14, 2026

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

  2. Source modified

    Nov 1, 2026

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

  3. First seen by HOL

    Aug 14, 2026

Sources and claim methodology

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

A flaw was found in Red Hat Quay. When the SECURITY_SCANNER_V4_PSK (pre-shared key) is not set, a remote unauthenticated attacker can send POST requests to the security scanner notification endpoint. This allows the attacker to flood the notification queue and inject path traversal characters into Clair API URL paths. The primary consequence is worker resource exhaustion and blind path manipulation on the configured Clair host, potentially leading to a denial of service.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Zackriya-Solutions Meetily main.py missing authenticationAlso CWE-306

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-306
Source
CVE List V5
Source checked
Nov 13, 2026
References
2 linked sources
Open source record