CVE-2026-57221

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.47% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 38.7% of scored records. A rank, not a probability.

NVD base score

5.3 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/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

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-13.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-07-10 20:24Z1 MO AGO

Last updated

2026-07-13 18:05Z1 MO AGO

Reserved

2026-06-24

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N

Weaknesses

• CWE-862Missing AuthorizationClass
• CWE-425Direct Request ('Forced Browsing')Base

Data version

5.2

Document digest

3b871b1f38fdfa8cd70b3de2a5e253b85d04b08000222adc8262fc80075544b5

• github.comhttps://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-9q2j-2hq8-22r2x_refsource_CONFIRM
• github.comhttps://github.com/rabbitmq/rabbitmq-server/pull/16085x_refsource_MISC
• github.comhttps://github.com/rabbitmq/rabbitmq-server/pull/16090x_refsource_MISC
• github.comhttps://github.com/rabbitmq/rabbitmq-server/commit/709a14e49e06c138a8cd672c9809ca34a2767962x_refsource_MISC
• github.comhttps://github.com/rabbitmq/rabbitmq-server/commit/dc3d1aa4f5c3331a425ee599b45be9423a2e83fcx_refsource_MISC
• github.comhttps://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6x_refsource_MISC