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CVE-2026-33002

Jenkins 2.442 through 2.554 (both inclusive), LTS 2.426.3 through LTS 2.541.2 (both inclusive) performs origin validation of requests made through the CLI WebSocket endpoint by computing the expected origin for comparison using the Host or X-Forwarded-Host HTTP request headers, making it vulnerable to DNS rebinding attacks that allow bypassing origin validation.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:01185c61e951e9a4ca4e90c990ee080e4af6d4f7a728e1d3bb4bb34ab75c5712
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"affected","product":"Jenkins","vendor":"Jenkins Project","versions":[{"lessThan":"2.426.3","status":"unaffected","version":"0","versionType":"maven"},{"lessThan":"2.442","status":"unaffected","version":"2.427","versionType":"maven"},{"lessThan":"*","status":"unaffected","version":"2.555","versionType":"maven"},{"lessThan":"2.541.*","status":"unaffected","version":"2.541.3","versionType":"maven"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0b32e86bbafd96996d20ebd6f8376c5b0e967a67da4ba083fc5eb6a094c9b074 · sha256:3b5e936cfc419559… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0b32e86bbafd96996d20ebd6f8376c5b0e967a67da4ba083fc5eb6a094c9b074 · sha256:3b5e936cfc419559… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-350","description":"CWE-350 Reliance on Reverse DNS Resolution for a Security-Critical Action","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0b32e86bbafd96996d20ebd6f8376c5b0e967a67da4ba083fc5eb6a094c9b074 · sha256:3b5e936cfc419559… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"Jenkins Security Advisory 2026-03-18","tags":["vendor-advisory"],"url":"https://www.jenkins.io/security/advisory/2026-03-18/#SECURITY-3674"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0b32e86bbafd96996d20ebd6f8376c5b0e967a67da4ba083fc5eb6a094c9b074 · sha256:3b5e936cfc419559… · /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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