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CVE record · CVE-2026-67236

RabbitMQ: Plaintext username:password stored in an insecure cookie after successful POST /login

CVSS 8.2 HighEPSS 0.0017 · 5th percentile

Published by the CVE Program (CNA: GitHub_M) at 25 Sept 2026, 15:59 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
rabbitmq rabbitmq-server
  • affected >= 4.2.0, < 4.2.8
  • affected >= 4.3.0, < 4.3.2
Identifiers
CVE-2026-67236
CNA
GitHub_M
Weakness (CWE)
CWE-312
Tags
Published
25 Sept 2026
Updated
28 Sept 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
8.2 High 4.0 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0017, the 5th 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 25 Sept 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.