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Back to active CVEs
Medium · CVSS 5.9CVE-2026-84185

Jwcrypto: jwcrypto: general json jws kid binding bypass during jwkset verificationCVE-2026-84185

Answer in brief

CVE-2026-84185 records a Medium severity (CVSS 5.9) vulnerability in Jwcrypto: jwcrypto: general json jws kid binding bypass during jwkset verification. The current sources do not mark it as known exploited. The current feed maps Red Hat/ansible-automation-platform-24/controller-rhel8 (generic), Red Hat/ansible-automation-platform-24/lightspeed-rhel8 (generic), Red Hat/ansible-automation-platform-25/controller-rhel8 (generic), Red Hat/ansible-automation-platform-25/gateway-rhel8 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Analysis pending evidence review

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

Published Sep 3, 2026Updated Sep 8, 2026Source checked Oct 19, 2026First seen by HOL Sep 3, 2026Material review Sep 8, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.9
Exploitation
Not marked as known exploited
Affected software
16 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 5.9. 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/ansible-automation-platform-24/controller-rhel8 (generic), Red Hat/ansible-automation-platform-24/lightspeed-rhel8 (generic), Red Hat/ansible-automation-platform-25/controller-rhel8 (generic), Red Hat/ansible-automation-platform-25/gateway-rhel8 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Red Hat/ansible-automation-platform-24/controller-rhel8generic*Not reported
Red Hat/ansible-automation-platform-24/lightspeed-rhel8generic*Not reported
Red Hat/ansible-automation-platform-25/controller-rhel8generic*Not reported
Red Hat/ansible-automation-platform-25/gateway-rhel8generic*Not reported
Red Hat/ansible-automation-platform-25/lightspeed-rhel8generic*Not reported
Red Hat/ansible-automation-platform-26/controller-rhel9generic*Not reported
Red Hat/ansible-automation-platform-26/gateway-rhel9generic*Not reported
Red Hat/ansible-automation-platform-26/lightspeed-rhel9generic*Not reported
Red Hat/ansible-automation-platform-27/gateway-rhel9generic*Not reported
Red Hat/ansible-automation-platform-27/lightspeed-rhel9generic*Not reported
Red Hat/automation-controllergeneric*Not reported
Red Hat/idm:client/python-jwcryptogeneric*Not reported
Red Hat/idm:DL1/python-jwcryptogeneric*Not reported
Red Hat/python3.11-jwcryptogeneric*Not reported
Red Hat/python3.12-jwcryptogeneric*Not reported
Red Hat/python-jwcryptogeneric*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Red Hat/ansible-automation-platform-24/controller-rhel8, Red Hat/ansible-automation-platform-24/lightspeed-rhel8, Red Hat/ansible-automation-platform-25/controller-rhel8.
  2. 2Review the reported fix. Source-reported workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Evidence timeline and material changes

  1. Published upstream

    Sep 3, 2026

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

  2. Source modified

    Sep 8, 2026

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

  3. First seen by HOL

    Sep 3, 2026

Sources and claim methodology

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

A flaw was found in the jwcrypto library, which is used for implementing Javascript Object Signing and Encryption (JOSE) standards. The issue occurs when the library verifies a General JSON Serialization JWS using a set of keys. Due to a coding error, the library fails to correctly identify the specific key ID (kid) and may instead accept a signature made by any valid key in the set. This can allow an attacker with a valid key to bypass authorization checks in applications that rely on the key ID to identify specific tenants or users.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-347
Source
CVE List V5
Source checked
Oct 19, 2026
References
2 linked sources
Open source record