CVE-2026-3854

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

40.03% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 98.5% of scored records. A rank, not a probability.

NVD base score

8.7 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Modified. 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

2026-03-10 17:37Z5 MO AGO

Last updated

2026-04-29 03:55Z4 MO AGO

Reserved

2026-03-09

Assigning CNA

GitHub_P

Record state

PUBLISHED

Severity

High (CVSS 8.7)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Weaknesses

• CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')Class

Data version

5.2

Document digest

700d8f46445fb2220596dc1fae84939f3d3698bb3d66725efdf6df479c2efba5

• docs.github.comhttps://docs.github.com/en/enterprise-server@3.14/admin/release-notes#3.14.25
• docs.github.comhttps://docs.github.com/en/enterprise-server@3.15/admin/release-notes#3.15.20
• docs.github.comhttps://docs.github.com/en/enterprise-server@3.16/admin/release-notes#3.16.16
• docs.github.comhttps://docs.github.com/en/enterprise-server@3.17/admin/release-notes#3.17.13
• docs.github.comhttps://docs.github.com/en/enterprise-server@3.18/admin/release-notes#3.18.7
• docs.github.comhttps://docs.github.com/en/enterprise-server@3.19/admin/release-notes#3.19.4
• www.wiz.iohttps://www.wiz.io/blog/github-rce-vulnerability-cve-2026-3854technical-description