CVE Explorer
CVE-2026-45300
The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. Versions on the 2.x branch prior to 2.15.0 and the 3.x branch prior to 3.0.10 leak `Cookie` headers to cross-origin redirect targets. When following a redirect to a different origin, the `propagatedHeaders()` method in `Redirect30xInterceptor.java` strips `Authorization` and `Proxy-Authorization` headers but does not strip the `Cookie` header, causing session cook
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"async-http-client","vendor":"AsyncHttpClient","versions":[{"status":"affected","version":">= 3.0.0.Beta1, < 3.0.10"},{"status":"affected","version":">= 2.0.0, < 2.15.0"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:e1cdde1969c4e5aac2f9e47eb46f2e52097328c25caa5ca53578d3ab4f7cb6c9 · sha256:1d4200fb6f3c050c… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:e1cdde1969c4e5aac2f9e47eb46f2e52097328c25caa5ca53578d3ab4f7cb6c9 · sha256:1d4200fb6f3c050c… · /containers/cna/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_v5cweurn:baitaphish:normalized-source-record:v2:e1cdde1969c4e5aac2f9e47eb46f2e52097328c25caa5ca53578d3ab4f7cb6c9 · sha256:1d4200fb6f3c050c… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"https://github.com/AsyncHttpClient/async-http-client/commit/3b0e3e9e","tags":["x_refsource_MISC"],"url":"https://github.com/AsyncHttpClient/async-http-client/commit/3b0e3e9e"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e1cdde1969c4e5aac2f9e47eb46f2e52097328c25caa5ca53578d3ab4f7cb6c9 · sha256:1d4200fb6f3c050c… · /containers/cna/references/1
{"name":"https://github.com/AsyncHttpClient/async-http-client/releases/tag/async-http-client-project-3.0.10","tags":["x_refsource_MISC"],"url":"https://github.com/AsyncHttpClient/async-http-client/releases/tag/async-http-client-project-3.0.10"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e1cdde1969c4e5aac2f9e47eb46f2e52097328c25caa5ca53578d3ab4f7cb6c9 · sha256:1d4200fb6f3c050c… · /containers/cna/references/2
{"name":"https://github.com/AsyncHttpClient/async-http-client/security/advisories/GHSA-fmxf-pm6p-7xgm","tags":["x_refsource_CONFIRM"],"url":"https://github.com/AsyncHttpClient/async-http-client/security/advisories/GHSA-fmxf-pm6p-7xgm"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e1cdde1969c4e5aac2f9e47eb46f2e52097328c25caa5ca53578d3ab4f7cb6c9 · sha256:1d4200fb6f3c050c… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/AsyncHttpClient/async-http-client/security/advisories/GHSA-fmxf-pm6p-7xgm"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e1cdde1969c4e5aac2f9e47eb46f2e52097328c25caa5ca53578d3ab4f7cb6c9 · sha256:1d4200fb6f3c050c… · /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.