CVE-2026-40564

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

0.66% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 51.5% of scored records. A rank, not a probability.

NVD base score

6.5 (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:N/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-07-24.

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

2026-05-26 14:38Z5 MO AGO

Last updated

2026-06-02 14:12Z4 MO AGO

Reserved

2026-04-14

Assigning CNA

apache

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

• CWE-552Files or Directories Accessible to External PartiesBase
• CWE-918Server-Side Request Forgery (SSRF)Base

Data version

5.2

Document digest

19ccf46da2c9a0bd401206ff8708a4e9dfcdbba058fa8ee0178049306d35a86c

• lists.apache.orghttps://lists.apache.org/thread/jvxs2kh2o60sl7qkl5nss4r5phzfl4czvendor-advisory
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/05/26/6