CVE-2026-54330

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 ImpacttotalSuccessful exploitation gives total 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

0.36% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 30.2% of scored records. A rank, not a probability.

NVD base score

8.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-09-08.

Red Hat severity

Important. 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

2026-08-27 20:59Z2 MO AGO

Last updated

2026-09-01 03:56Z1 MO AGO

Reserved

2026-06-12

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 8.1)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weaknesses

• CWE-347Improper Verification of Cryptographic SignatureBase

Data version

5.2

Document digest

43ecba06da4098a2c3cb6c4b357559be072f0fb9272acaec62face98c435ac0b

• github.comhttps://github.com/ceph/ceph/security/advisories/GHSA-rmjq-ffrm-j6vjx_refsource_CONFIRM
• github.comhttps://github.com/ceph/ceph/commit/5837aa8e60471128dbb672b0ff6f1b1feebe08a7x_refsource_MISC
• github.comhttps://github.com/ceph/ceph/commit/5978c866d4a0812fbb024745c4f1e79aaecd6c6ax_refsource_MISC