CVE Explorer

CVE-2026-27100

Jenkins 2.550 and earlier, LTS 2.541.1 and earlier accepts Run Parameter values that refer to builds the user submitting the build does not have access to, allowing attackers with Item/Build and Item/Configure permission to obtain information about the existence of jobs, the existence of builds, and if a specified build exists, its display name.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5480d32ccdcfb5e37b06e7c8b9eb8b426aa2fe91d903769ec57304fd5ecb68c8

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"affected","product":"Jenkins","vendor":"Jenkins Project","versions":[{"lessThan":"*","status":"unaffected","version":"2.551","versionType":"maven"},{"lessThan":"2.541.*","status":"unaffected","version":"2.541.2","versionType":"maven"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:02f6265417ec3e9e0d6d8755ef9c983a615e2b2171865b41f07071d805b6152c · sha256:91f431c380bec9e8… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:02f6265417ec3e9e0d6d8755ef9c983a615e2b2171865b41f07071d805b6152c · sha256:91f431c380bec9e8… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-200","description":"CWE-200 Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:02f6265417ec3e9e0d6d8755ef9c983a615e2b2171865b41f07071d805b6152c · sha256:91f431c380bec9e8… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

1 source assertion

{"name":"Jenkins Security Advisory 2026-02-18","tags":["vendor-advisory"],"url":"https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3658"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:02f6265417ec3e9e0d6d8755ef9c983a615e2b2171865b41f07071d805b6152c · sha256:91f431c380bec9e8… · /containers/cna/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.

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