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CVE record · CVE-2026-34182

CMS AuthEnvelopedData Processing May Accept Forged Messages

CVSS 9.1 CriticalCriticalEPSS 0.011 · 64th percentile

Critical, because:

  • CVSS score 9.1: 9.0 or more.

How we decide what’s critical

Published by the CVE Program (CNA: openssl) at 9 Jun 2026, 16:03 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
OpenSSL OpenSSL
  • affected 4.0.0 to before 4.0.1 semver
  • affected 3.6.0 to before 3.6.3 semver
  • affected 3.5.0 to before 3.5.7 semver
  • affected 3.4.0 to before 3.4.6 semver
  • affected 3.0.0 to before 3.0.21 semver
Other versions: unaffected
Identifiers
CVE-2026-34182
CNA
openssl
Weakness (CWE)
CWE-354
Tags
Published
9 Jun 2026
Updated
10 Jun 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
9.1 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N ADP (CISA-ADP)
  • CISA KEV Not listed.
  • EPSS 0.011, the 64th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 9 Jun 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.