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Back to active CVEs
Medium · CVSS 5.9CVE-2026-80179

Jwcrypto: jwcrypto: denial of service via malformed jwe tokensCVE-2026-80179

Answer in brief

CVE-2026-80179 records a Medium severity (CVSS 5.9) vulnerability in Jwcrypto: jwcrypto: denial of service via malformed jwe tokens. 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 Aug 27, 2026Updated Sep 9, 2026Source checked Oct 12, 2026First seen by HOL Aug 27, 2026Material review Sep 9, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.9
Exploitation
Not marked as known exploited
Affected software
24 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/python3.11-jwcryptogeneric*Not reported
Red Hat/python3.12-jwcryptogeneric*Not reported
Red Hat/python-jwcryptogeneric*Not reported
Red Hat/rhoai/odh-feature-server-rhel9generic*Not reported
Red Hat/rhoai/odh-kserve-storage-initializer-rhel9generic*Not reported
Red Hat/rhosp-rhel8/openstack-mistral-executorgeneric*Not reported
Red Hat/rhosp-rhel8/openstack-nova-apigeneric*Not reported
Red Hat/rhosp-rhel8/openstack-nova-compute-ironicgeneric*Not reported
Red Hat/rhosp-rhel8/openstack-novajoin-basegeneric*Not reported
Red Hat/rhosp-rhel8/openstack-novajoin-notifiergeneric*Not reported
Red Hat/rhosp-rhel8/openstack-novajoin-servergeneric*Not reported
Red Hat/rhosp-rhel8/openstack-tempestgeneric*Not reported
Red Hat/rhosp-rhel8/openstack-tripleoclientgeneric*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

    Aug 27, 2026

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

  2. Source modified

    Sep 9, 2026

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

  3. First seen by HOL

    Aug 27, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
  • GitHub security advisorygithub.com
Upstream source description

A flaw was found in jwcrypto. A remote attacker can send a specially crafted JSON Web Encryption (JWE) token containing numerous period delimiters. This malformed token can force the JWE.deserialize() function to allocate excessive memory, leading to a MemoryError. This issue results in a denial of service (DoS) for services that process untrusted JWE values.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • zhayujie CowAgent Streaming Tool-Call Argument json.loads allocation of resourcesAlso CWE-770
  • Plaintext Database Password Exposure in GV-E-Map Server V18.2.0ASame generic ecosystem
  • Channel tokens and organization API key exposed in API responsesSame generic ecosystem
  • erzhongxmu Jeewms Autocomplete Data JeecgFormDemoController.java getTreeData sql injectionSame generic ecosystem
  • zhayujie CowAgent Markdown Rendering Markdown.tsx denial of serviceSame generic ecosystem
  • Appwrite Browser Screenshot Service Get.php PublicHostname server-side request forgerySame generic ecosystem

Record context

Vulnerability class
Secret Exfiltration
EPSS
Not reported
CWE IDs
CWE-770
Source
CVE List V5
Source checked
Oct 12, 2026
References
3 linked sources
Open source record