CVE Explorer
CVE-2026-9132
A missing authorization vulnerability was identified in GitHub Enterprise Server that allowed an authenticated user to read source code from private repositories they did not have access to. The
Copilot pull request description diff summary endpoint accepted a cross-repository comparison range and rendered the resulting diff without verifying that the requesting user was authorized to view
the target repository. Exploitation required an authenticated account on the instance with read acces
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Enterprise Server","vendor":"GitHub","versions":[{"changes":[{"at":"3.17.17","status":"unaffected"}],"lessThanOrEqual":"3.17.16","status":"affected","version":"3.17.0","versionType":"semver"},{"changes":[{"at":"3.18.11","status":"unaffected"}],"lessThanOrEqual":"3.18.10","status":"affected","version":"3.18.0","versionType":"semver"},{"changes":[{"at":"3.19.8","status":"unaffected"}],"lessThanOrEqual":"3.19.7","status":"affected","version":"3.19.0","versionType":"semver"},{"changes":[{"at":"3.20.4","status":"unaffected"}],"lessThanOrEqual":"3.20.3","stat…
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:d7c784ce4ae9704284a6902fe7d04fcb6e605cf89e51db0938add01ceddff80f · sha256:a5bf7d17779fe6f7… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6,"baseSeverity":"MEDIUM","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:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact"…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:d7c784ce4ae9704284a6902fe7d04fcb6e605cf89e51db0938add01ceddff80f · sha256:a5bf7d17779fe6f7… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-862","description":"CWE-862 Missing Authorization","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:d7c784ce4ae9704284a6902fe7d04fcb6e605cf89e51db0938add01ceddff80f · sha256:a5bf7d17779fe6f7… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"url":"https://docs.github.com/en/enterprise-server@3.17/admin/release-notes#3.17.17-features"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:d7c784ce4ae9704284a6902fe7d04fcb6e605cf89e51db0938add01ceddff80f · sha256:a5bf7d17779fe6f7… · /containers/cna/references/0
{"url":"https://docs.github.com/en/enterprise-server@3.18/admin/release-notes#3.18.11-features"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:d7c784ce4ae9704284a6902fe7d04fcb6e605cf89e51db0938add01ceddff80f · sha256:a5bf7d17779fe6f7… · /containers/cna/references/1
{"url":"https://docs.github.com/en/enterprise-server@3.19/admin/release-notes#3.19.8-features"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:d7c784ce4ae9704284a6902fe7d04fcb6e605cf89e51db0938add01ceddff80f · sha256:a5bf7d17779fe6f7… · /containers/cna/references/2
{"url":"https://docs.github.com/en/enterprise-server@3.20/admin/release-notes#3.20.4-features"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:d7c784ce4ae9704284a6902fe7d04fcb6e605cf89e51db0938add01ceddff80f · sha256:a5bf7d17779fe6f7… · /containers/cna/references/3
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.