CVE-2026-25518

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

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

EPSS percentile

Ranks above 29.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

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

2026-02-04 21:18Z7 MO AGO

Last updated

2026-02-05 14:31Z7 MO AGO

Reserved

2026-02-02

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 5.9)

CNA CVSS vector

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

Weaknesses

• CWE-129Improper Validation of Array IndexVariant
• CWE-704Incorrect Type Conversion or CastClass
• CWE-1285Improper Validation of Specified Index, Position, or Offset in InputBase

Data version

5.2

Document digest

692e4c227c287994b10ff04950da85f1699e6230897b36e422cbe95c697b345b

• github.comhttps://github.com/cert-manager/cert-manager/security/advisories/GHSA-gx3x-vq4p-mhhvx_refsource_CONFIRM
• github.comhttps://github.com/cert-manager/cert-manager/pull/8467x_refsource_MISC
• github.comhttps://github.com/cert-manager/cert-manager/pull/8468x_refsource_MISC
• github.comhttps://github.com/cert-manager/cert-manager/pull/8469x_refsource_MISC
• github.comhttps://github.com/cert-manager/cert-manager/commit/409fc24e539711a07aae45ed45abbe03dfdad2ccx_refsource_MISC
• github.comhttps://github.com/cert-manager/cert-manager/commit/9a73a0b3853035827edd37ac463e4803ba10327dx_refsource_MISC
• github.comhttps://github.com/cert-manager/cert-manager/commit/d4faed26ae12115cceb807cdc12507ebc28980e2x_refsource_MISC