CVE-2026-66721

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

0.47% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 40.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-10-16.

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

2026-08-21 08:23Z2 MO AGO

Last updated

2026-08-24 17:06Z2 MO AGO

Reserved

2026-07-27

Assigning CNA

apache

Record state

PUBLISHED

Severity

Low (CVSS 2.7)

CNA CVSS vector

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

Weaknesses

• CWE-862Missing AuthorizationClass

Data version

5.2

Document digest

c8cfd83361c5af858e7a2b26cbabb86dc57e3209cb58e900fc4720e7db89d1a7

• lists.apache.orghttps://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbcvendor-advisory