Advisory severityMedium5.3Red Hat Linux

Medium [CVE-2026-81829] Unauthenticated same-origin SSRF via unsanitized JWT kid header in AwsAlbKeyResolver

This medium-severity Red Hat Linux advisory covers CVE-2026-81829; related products: Exploit Intelligence, Red Hat build of Apicurio Registry 3, Red Hat JBoss Enterprise Application Platform 8.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-81829 Source published Sep 17, 2026Source updated Sep 17, 2026

VulniPulse record published Sep 17, 2026Record updated Sep 25, 2026

CVE-2026-81829

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Summary

Unauthenticated same-origin SSRF via unsanitized JWT kid header in AwsAlbKeyResolver. Red Hat rates this moderate (CVSS 5.3).

Weakness: CWE-22.

Affected products named by the advisory: Exploit Intelligence; Red Hat build of Apicurio Registry 3; Red Hat JBoss Enterprise Application Platform 8; Red Hat JBoss Enterprise Application Platform Expansion Pack.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · high-confidence parse· fetched 14 days ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.

Official advisory · high-confidence parse· fetched 14 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Official advisory · high-confidence parse· fetched 14 days ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Red Hat Security Data APIofficial
Official vendor source used to discover this advisory; it remains the authority for affected products and remediation. Discovered from the machine-readable feed https://access.redhat.com/hydra/rest/securitydata/cve.json; this link opens the Red Hat Linux advisory index instead of the raw feed document.
Red Hat Linux
Official vendor advisoryofficial
Official advisory page fetched and parsed; accepted detail fields are attributed to this page.
Red Hat Linux
CVE.org CNA affected-product recordCVE.org
Structured CNA affected[] data independently confirmed the affected product scope; native advisory content remains authoritative.
CVE Program

Cross-references

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CVE-2026-81829NVD CVE.org MITRE

Discussion(0)

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