CVE-2026-5138

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

0.38% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 30.7% of scored records. A rank, not a probability.

NVD base score

4.3 (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:L/I:N/A:N

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-09.

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

2026-07-01 14:08Z2 MO AGO

Last updated

2026-07-01 23:53Z2 MO AGO

Reserved

2026-03-30

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 4.3)

CNA CVSS vector

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

Weaknesses

• CWE-639Authorization Bypass Through User-Controlled KeyBase

Data version

5.2

Document digest

a8da23e812777e3a7ef97a5093b1edf56e191b276fe7814efdbd640fdfefe916

• access.redhat.comRHSA-2026:34365https://access.redhat.com/errata/RHSA-2026:34365vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:34366https://access.redhat.com/errata/RHSA-2026:34366vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:34367https://access.redhat.com/errata/RHSA-2026:34367vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:34368https://access.redhat.com/errata/RHSA-2026:34368vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-5138vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2452971https://bugzilla.redhat.com/show_bug.cgi?id=2452971issue-trackingx_refsource_REDHAT