CVE catalog

CVE-2026-67237

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.8 and 4.3.2, set_token_auth/2 inserted a bearer token from the Authorization header or access_token cookie into OAuth bootstrap JavaS

[CVE catalog]

Severity
Critical · CVSS 9.2CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
Updated
Source
[NVD] · [CVE record]
EPSS
0.45% · Oct 25, 2026

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.8 and 4.3.2, set_token_auth/2 inserted a bearer token from the Authorization header or access_token cookie into OAuth bootstrap JavaScript without escaping, allowing attacker-controlled token content to execute JavaScript in the management UI origin. The endpoint is exposed before authentication only when management.oauth_enabled is true, and exploitation through the cookie path additionally requires the attacker to plant an access_token cookie on the management host. This issue is fixed in versions 4.2.8 and 4.3.2.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianrabbitmq-serversid4.3.6-1fixed
Debianrabbitmq-serverforky4.3.6-1fixed
Debianrabbitmq-servertrixie4.0.5-6+deb13u2not affected
Debianrabbitmq-serverbookworm3.10.8-1.1+deb12u1not affected
Debianrabbitmq-serverbookworm-security3.10.8-1.1+deb12u1not affected
Ubunturabbitmq-servernoble3.12.1-1ubuntu1.7fixed
Cperabbitmq_serverNot reported4.3.2fixed
Ubunturabbitmq-serverpro3.7.8-4ubuntu2vulnerable
Ubunturabbitmq-serverpro3.7.18-1vulnerable
Ubunturabbitmq-serverpro3.8.2-0ubuntu1vulnerable
Ubunturabbitmq-serverpro3.8.2-0ubuntu1.1vulnerable
Ubunturabbitmq-serverpro3.8.2-0ubuntu1.2vulnerable
Ubunturabbitmq-serverpro3.8.2-0ubuntu1.3vulnerable
Ubunturabbitmq-serverpro3.8.2-0ubuntu1.4vulnerable
Ubunturabbitmq-serverpro3.8.2-0ubuntu1.5vulnerable
Ubunturabbitmq-serverpro3.8.3-0ubuntu0.1vulnerable
Ubunturabbitmq-serverpro3.8.3-0ubuntu0.2vulnerable
Ubunturabbitmq-serverpro3.8.3-0ubuntu0.3vulnerable
Ubunturabbitmq-serverpro3.8.3-0ubuntu0.3+esm1vulnerable
Ubunturabbitmq-serverpro3.8.3-0ubuntu0.3+esm2fixed
Ubunturabbitmq-server22.043.8.9-3ubuntu1vulnerable
Ubunturabbitmq-server22.043.9.8-1vulnerable
Ubunturabbitmq-server22.043.9.8-2vulnerable
Ubunturabbitmq-server22.043.9.8-3vulnerable
Ubunturabbitmq-server22.043.9.8-5vulnerable
Ubunturabbitmq-server22.043.9.8-6vulnerable
Ubunturabbitmq-server22.043.9.13-1vulnerable
Ubunturabbitmq-server22.043.9.13-1ubuntu0.22.04.1vulnerable
Ubunturabbitmq-server22.043.9.13-1ubuntu0.22.04.2vulnerable
Ubunturabbitmq-server22.043.9.27-0ubuntu0.1vulnerable
Ubunturabbitmq-server22.043.9.27-0ubuntu0.2vulnerable
Ubunturabbitmq-server22.043.9.27-0ubuntu0.5vulnerable
Ubunturabbitmq-server22.043.9.27-0ubuntu0.6fixed
Ubunturabbitmq-server24.043.12.1-1vulnerable
Ubunturabbitmq-server24.043.12.1-1ubuntu1vulnerable
Ubunturabbitmq-server24.043.12.1-1ubuntu1.2vulnerable
Ubunturabbitmq-server24.043.12.1-1ubuntu1.4vulnerable
Ubunturabbitmq-server24.043.12.1-1ubuntu1.6vulnerable
Ubunturabbitmq-server24.043.12.1-1ubuntu1.7fixed
Ubunturabbitmq-server26.044.0.5-8ubuntu2vulnerable
Ubunturabbitmq-server26.044.0.5-10ubuntu1vulnerable
Ubunturabbitmq-server26.044.0.5-10ubuntu2vulnerable
Ubunturabbitmq-server26.044.0.5-10ubuntu3vulnerable
Ubunturabbitmq-server26.044.0.5-10ubuntu4vulnerable
Ubunturabbitmq-server26.044.0.5-10ubuntu5vulnerable
Ubunturabbitmq-server26.044.0.5-10ubuntu5.1vulnerable
Ubunturabbitmq-server26.044.0.5-10ubuntu5.2fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianrabbitmq-serversourcesid4.3.2-1not yet assignedNot reportedNot reported
Debianrabbitmq-serversourceforky4.3.2-1not yet assignedNot reportedNot reported
Debianrabbitmq-serversourcetrixieNot affectedunimportantNot reportedNot reported
Debianrabbitmq-serversourcebookwormNot affectedunimportantNot reportedNot reported
Ubunturabbitmq-serverdebnoble3.12.1-1ubuntu1.7Not reportedNot reportedNot reported
Cperabbitmq_servercpeNot reported4.3.2Not reportedNVD-CVE-2026-67237Not reported
Ubunturabbitmq-serverdebpro3.8.3-0ubuntu0.3+esm2Not reportedUBUNTU-CVE-2026-67237Not reported
Ubunturabbitmq-serverdeb22.043.9.27-0ubuntu0.6Not reportedUBUNTU-CVE-2026-67237Not reported
Ubunturabbitmq-serverdeb24.043.12.1-1ubuntu1.7Not reportedUBUNTU-CVE-2026-67237Not reported
Ubunturabbitmq-serverdeb26.044.0.5-10ubuntu5.2Not reportedUBUNTU-CVE-2026-67237Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • [rabbitmq-server]Not affected
    Details (4)
    • 3.10.8-1.1+deb12u1 · all · bookworm

      Not affected

      nvd · rabbitmq-server · debian · bookworm

    • 3.10.8-1.1+deb12u1 · all · bookworm

      Not affected

      nvd · rabbitmq-server · debian · bookworm

    • 3.10.8-1.1+deb12u1 · all · bookworm-security

      Not affected

      nvd · rabbitmq-server · debian · bookworm

    • 3.10.8-1.1+deb12u1 · all · bookworm-security

      Not affected

      nvd · rabbitmq-server · debian · bookworm

Observed:

References