CVE-2026-55955

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

0.44% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 36.2% 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:N/UI:N/S:U/C:L/I:L/A:N

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-10.

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

2026-06-29 20:44Z2 MO AGO

Last updated

2026-06-30 13:22Z2 MO AGO

Reserved

2026-06-17

Assigning CNA

apache

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

• CWE-287Improper AuthenticationClass
• CWE-294Authentication Bypass by Capture-replayBase

Data version

5.2

Document digest

ea7dc6edd096f8520fa88e5b5f51d4da91b1424e8b465069b9c7d46a2dcc4d94

• lists.apache.orghttps://lists.apache.org/thread/g4p5sf45p3f9r011pwqs9r54yd64s106vendor-advisory
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/06/29/24