CVE-2026-42588

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

0.74% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 54.3% 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

Analyzed. NVD last modified this record on 2026-07-22.

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

2026-06-01 07:23Z5 MO AGO

Last updated

2026-06-02 03:55Z4 MO AGO

Reserved

2026-04-28

Assigning CNA

apache

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-20Improper Input ValidationClass
• CWE-94Improper Control of Generation of Code ('Code Injection')Base

Data version

5.2

Document digest

8385b6063b675fe9b7dffeb37b334ea139fec397035a74962dc2446b810d6cca

• lists.apache.orghttps://lists.apache.org/thread/ns0zktfo16s9ql2mmtqtlb6p6xcs45xmvendor-advisory
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/05/31/18