CVE-2026-107715

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{"affected": [{"affectedData": [{"product": "mechanize", "vendor": "sparklemotion", "versions": [{"status": "affected", "version": "< 2.15.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Mechanize library is used for automating interaction with websites. Prior to 2.14.1, Mechanize sends caller-supplied credential headers to a different host after an HTTP redirect. Mechanize#request_headers= is reapplied by Mechanize::HTTP::Agent#request_add_headers even after Mechanize::HTTP::Agent#response_redirect strips per-request headers, and the protected header lists omit Proxy-Authorization and Cookie2. An attacker who controls a redirect target can capture bearer tokens or session cookies supplied through request_headers= or the per-request headers argument, while Mechanize#cookie_jar and Mechanize::HTTP::AuthStore are not affected. This issue is fixed in version 2.14.1."}], "id": "CVE-2026-107715", "lastModified": "2026-10-09T16:40:29.800", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 4.0, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-107715", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-09T13:22:03.491703Z", "version": "2.0.3"}}]}, "published": "2026-10-08T22:17:27.163", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/sparklemotion/mechanize/commit/02a1235842d6eda8d4a5a3d8f13aba2cecf52e4f"}, {"source": "security-advisories@github.com", "url": "https://github.com/sparklemotion/mechanize/commit/94e0902867296be804f36eccbb47acf7d5018745"}, {"source": "security-advisories@github.com", "url": "https://github.com/sparklemotion/mechanize/commit/ac49abf2869297d83c3b11bbfb8b18e63b588c95"}, {"source": "security-advisories@github.com", "url": "https://github.com/sparklemotion/mechanize/pull/676"}, {"source": "security-advisories@github.com", "url": "https://github.com/sparklemotion/mechanize/releases/tag/v2.14.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/sparklemotion/mechanize/security/advisories/GHSA-2mwr-xjcg-37j7"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/sparklemotion/mechanize/security/advisories/GHSA-2mwr-xjcg-37j7"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}, {"lang": "en", "value": "CWE-522"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "mechanize: mechanize: Information disclosure via cross-domain HTTP redirect", "id": "2548277", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548277"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-212", "details": ["A flaw was found in mechanize. The library fails to strip caller-supplied credential headers when following cross-origin Hypertext Transfer Protocol (HTTP) redirects. A remote attacker who controls the target server of a redirect can exploit this vulnerability to capture sensitive authentication data, such as bearer tokens and session cookies."], "name": "CVE-2026-107715", "package_state": [{"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Out of support scope", "package_name": "3scale-amp2/system-rhel8", "product_name": "Red Hat 3scale API Management Platform 2"}], "public_date": "2026-10-08T21:27:24Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-107715\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-107715\nhttps://github.com/sparklemotion/mechanize/commit/02a1235842d6eda8d4a5a3d8f13aba2cecf52e4f\nhttps://github.com/sparklemotion/mechanize/commit/94e0902867296be804f36eccbb47acf7d5018745\nhttps://github.com/sparklemotion/mechanize/commit/ac49abf2869297d83c3b11bbfb8b18e63b588c95\nhttps://github.com/sparklemotion/mechanize/pull/676\nhttps://github.com/sparklemotion/mechanize/releases/tag/v2.14.1\nhttps://github.com/sparklemotion/mechanize/security/advisories/GHSA-2mwr-xjcg-37j7"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.15.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "mechanize", "source": "cna", "vendor": "sparklemotion"}, "product": "mechanize", "vendor": "sparklemotion"}], "created": "2026-10-08T23:15:13.427589+00:00", "updated": "2026-10-09T08:03:04.419451+00:00", "vendors": ["sparklemotion", "sparklemotion$PRODUCT$mechanize"]}