CVE-2026-30851

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• 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

0.25% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 17.4% of scored records. A rank, not a probability.

NVD base score

8.8 (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:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

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

2026-03-07 16:28Z7 MO AGO

Last updated

2026-03-09 18:24Z7 MO AGO

Reserved

2026-03-05

Assigning CNA

GitHub_M

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-287Improper AuthenticationClass
• CWE-345Insufficient Verification of Data AuthenticityClass

Data version

5.2

Document digest

f0c16b3a09bb66c81dc2b7d0604956d74d014aeea06d662871ccfb755765258b

• github.comhttps://github.com/caddyserver/caddy/security/advisories/GHSA-7r4p-vjf4-gxv4x_refsource_CONFIRM
• github.comhttps://github.com/caddyserver/caddy/issues/6610x_refsource_MISC
• github.comhttps://github.com/caddyserver/caddy/pull/6608x_refsource_MISC
• github.comhttps://github.com/caddyserver/caddy/pull/7545x_refsource_MISC