CVE-2026-57217
Last modified
CVE-2026-57217 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.21, 4.1.11, and 4.2.6, RabbitMQ topic authorization can allow restricted topic writes and binds during metadata-store failures because topic-permission lookup errors from Khepri can collapse to undefined, which the internal backend treats as allow. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.21, 4.1.11, and 4.2.6, RabbitMQ topic authorization can allow restricted topic writes and binds during metadata-store failures because topic-permission lookup errors from Khepri can collapse to undefined, which the internal backend treats as allow. This issue is fixed in versions 3.13.15, 4.0.21, 4.1.11, and 4.2.6.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Broadcom | Rabbitmq Server | >= 3.13.0, < 4.2.6 |
References
- https://github.com/rabbitmq/rabbitmq-server/pull/15941Issue Tracking, Patch
- https://github.com/rabbitmq/rabbitmq-server/pull/15943Issue Tracking, Patch
- https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-gpvw-75h5-3wvxExploit, Vendor Advisory
- https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-gpvw-75h5-3wvxExploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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