CVE-2026-54226

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

0.39% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 33.6% of scored records. A rank, not a probability.

NVD base score

6.4 (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:P/VC:L/VI:L/VA:L/SC:H/SI:H/SA:H/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:N/AU:N/R:I/V:D/RE:L/U:Amber

NVD analysis status

Deferred. NVD last modified this record on 2026-10-25.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2026-06-25 07:59Z4 MO AGO

Last updated

2026-06-25 13:41Z4 MO AGO

Reserved

2026-06-12

Assigning CNA

apache

Record state

PUBLISHED

Severity

Medium (CVSS 6.4)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:H/SI:H/SA:H/S:N/AU:N/R:I/V:D/RE:L/U:Amber

Weaknesses

• CWE-190Integer Overflow or WraparoundBase

Data version

5.2

Document digest

a6aaf9ca451392fa338d0006db7311200edf8ac48a497f7e2d454b63effa865f

• lists.apache.orghttps://lists.apache.org/thread/pnglz29zh804rd3257fbh56cqgy1q65gvendor-advisory
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/06/25/5