CVE Explorer
CVE-2026-3854
An improper neutralization of special elements vulnerability was identified in GitHub Enterprise Server that allowed an attacker with push access to a repository to achieve remote code execution on the instance. During a git push operation, user-supplied push option values were not properly sanitized before being included in internal service headers. Because the internal header format used a delimiter character that could also appear in user input, an attacker could inject additional metadata fi
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"affected","product":"Enterprise Server","vendor":"GitHub","versions":[{"changes":[{"at":"3.14.25","status":"unaffected"}],"lessThanOrEqual":"3.14.24","status":"affected","version":"3.14.0","versionType":"semver"},{"changes":[{"at":"3.15.20","status":"unaffected"}],"lessThanOrEqual":"3.15.19","status":"affected","version":"3.15.0","versionType":"semver"},{"changes":[{"at":"3.16.16","status":"unaffected"}],"lessThanOrEqual":"3.16.15","status":"affected","version":"3.16.0","versionType":"semver"},{"changes":[{"at":"3.17.13","status":"unaffected"}],"lessThanOrEqual":"3.17.12","st…
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:34d9586483737a2367bfb30f6bbbcf5bd2aba70f07838f4d94c7fd8179bc1dd0 · sha256:700d8f46445fb222… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"H…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:34d9586483737a2367bfb30f6bbbcf5bd2aba70f07838f4d94c7fd8179bc1dd0 · sha256:700d8f46445fb222… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-77","description":"CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:34d9586483737a2367bfb30f6bbbcf5bd2aba70f07838f4d94c7fd8179bc1dd0 · sha256:700d8f46445fb222… · /containers/cna/problemTypes/0/descriptions/0
Source references
7 source assertions{"url":"https://docs.github.com/en/enterprise-server@3.14/admin/release-notes#3.14.25"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:34d9586483737a2367bfb30f6bbbcf5bd2aba70f07838f4d94c7fd8179bc1dd0 · sha256:700d8f46445fb222… · /containers/cna/references/0
{"url":"https://docs.github.com/en/enterprise-server@3.15/admin/release-notes#3.15.20"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:34d9586483737a2367bfb30f6bbbcf5bd2aba70f07838f4d94c7fd8179bc1dd0 · sha256:700d8f46445fb222… · /containers/cna/references/1
{"url":"https://docs.github.com/en/enterprise-server@3.16/admin/release-notes#3.16.16"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:34d9586483737a2367bfb30f6bbbcf5bd2aba70f07838f4d94c7fd8179bc1dd0 · sha256:700d8f46445fb222… · /containers/cna/references/2
{"url":"https://docs.github.com/en/enterprise-server@3.17/admin/release-notes#3.17.13"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:34d9586483737a2367bfb30f6bbbcf5bd2aba70f07838f4d94c7fd8179bc1dd0 · sha256:700d8f46445fb222… · /containers/cna/references/3
{"url":"https://docs.github.com/en/enterprise-server@3.18/admin/release-notes#3.18.7"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:34d9586483737a2367bfb30f6bbbcf5bd2aba70f07838f4d94c7fd8179bc1dd0 · sha256:700d8f46445fb222… · /containers/cna/references/4
{"url":"https://docs.github.com/en/enterprise-server@3.19/admin/release-notes#3.19.4"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:34d9586483737a2367bfb30f6bbbcf5bd2aba70f07838f4d94c7fd8179bc1dd0 · sha256:700d8f46445fb222… · /containers/cna/references/5
{"tags":["technical-description"],"url":"https://www.wiz.io/blog/github-rce-vulnerability-cve-2026-3854"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:34d9586483737a2367bfb30f6bbbcf5bd2aba70f07838f4d94c7fd8179bc1dd0 · sha256:700d8f46445fb222… · /containers/adp/0/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.