CVE Explorer
CVE-2026-14340
An incorrect authorization vulnerability was identified in GitHub Enterprise Server that allowed a user-to-server token scoped to a GitHub App installation to perform certain write operations on public repositories outside the token's intended scope. This was possible because the authorization check only verified that the installation had read permissions on the target repository rather than verifying that the token's installation was explicitly granted access to that repository. An attacker who
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"affected","platforms":["Linux"],"product":"Enterprise Server","vendor":"GitHub","versions":[{"changes":[{"at":"3.16.20","status":"unaffected"}],"lessThanOrEqual":"3.16.19","status":"affected","version":"3.16.0","versionType":"semver"},{"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"}],"lessThanO…
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:dd88ba721bc68c18d1d11de13c40dad5eb550aa431441dd2dd17d730efcaf28b · sha256:f6c439018a68eea0… · /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":5.3,"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:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:dd88ba721bc68c18d1d11de13c40dad5eb550aa431441dd2dd17d730efcaf28b · sha256:f6c439018a68eea0… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:dd88ba721bc68c18d1d11de13c40dad5eb550aa431441dd2dd17d730efcaf28b · sha256:f6c439018a68eea0… · /containers/cna/problemTypes/0/descriptions/0
Source references
6 source assertions{"tags":["release-notes"],"url":"https://docs.github.com/en/enterprise-server@3.16/admin/release-notes#3.16.20"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:dd88ba721bc68c18d1d11de13c40dad5eb550aa431441dd2dd17d730efcaf28b · sha256:f6c439018a68eea0… · /containers/cna/references/0
{"tags":["release-notes"],"url":"https://docs.github.com/en/enterprise-server@3.17/admin/release-notes#3.17.17"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:dd88ba721bc68c18d1d11de13c40dad5eb550aa431441dd2dd17d730efcaf28b · sha256:f6c439018a68eea0… · /containers/cna/references/1
{"tags":["release-notes"],"url":"https://docs.github.com/en/enterprise-server@3.18/admin/release-notes#3.18.11"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:dd88ba721bc68c18d1d11de13c40dad5eb550aa431441dd2dd17d730efcaf28b · sha256:f6c439018a68eea0… · /containers/cna/references/2
{"tags":["release-notes"],"url":"https://docs.github.com/en/enterprise-server@3.19/admin/release-notes#3.19.8"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:dd88ba721bc68c18d1d11de13c40dad5eb550aa431441dd2dd17d730efcaf28b · sha256:f6c439018a68eea0… · /containers/cna/references/3
{"tags":["release-notes"],"url":"https://docs.github.com/en/enterprise-server@3.20/admin/release-notes#3.20.4"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:dd88ba721bc68c18d1d11de13c40dad5eb550aa431441dd2dd17d730efcaf28b · sha256:f6c439018a68eea0… · /containers/cna/references/4
{"tags":["release-notes"],"url":"https://docs.github.com/en/enterprise-server@3.21/admin/release-notes#3.21.2"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:dd88ba721bc68c18d1d11de13c40dad5eb550aa431441dd2dd17d730efcaf28b · sha256:f6c439018a68eea0… · /containers/cna/references/5
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.