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CVE-2026-59883

Guzzle is an extensible PHP HTTP client. Prior to 7.12.3, CookieJar did not restrict cookies scoped to IP-address or bare-numeric Domain values to the exact host that set them, because SetCookie::matchesDomain() applied ordinary suffix matching to domains such as 192.168.0.1, [::1], or 1, allowing cross-host cookie disclosure, cookie injection, or session fixation. This issue is fixed in version 7.12.3.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ea37f637f2d8c726c7e27ab398bffd5f78059374495e128b006c9a5feeb592d7
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-346","description":"CWE-346: Origin Validation Error","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:16bc4d7fdbd6348f4f43ed08be48d04e8c0fdc498578aabca6f1da8b38c61547 · sha256:eec54ef422679579… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-384","description":"CWE-384: Session Fixation","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:16bc4d7fdbd6348f4f43ed08be48d04e8c0fdc498578aabca6f1da8b38c61547 · sha256:eec54ef422679579… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"guzzle","vendor":"guzzle","versions":[{"status":"affected","version":"< 7.12.3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:16bc4d7fdbd6348f4f43ed08be48d04e8c0fdc498578aabca6f1da8b38c61547 · sha256:eec54ef422679579… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.7,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:16bc4d7fdbd6348f4f43ed08be48d04e8c0fdc498578aabca6f1da8b38c61547 · sha256:eec54ef422679579… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-346","description":"CWE-346: Origin Validation Error","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:16bc4d7fdbd6348f4f43ed08be48d04e8c0fdc498578aabca6f1da8b38c61547 · sha256:eec54ef422679579… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-384","description":"CWE-384: Session Fixation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:16bc4d7fdbd6348f4f43ed08be48d04e8c0fdc498578aabca6f1da8b38c61547 · sha256:eec54ef422679579… · /containers/cna/problemTypes/1/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/guzzle/guzzle/commit/b9944c161b12d9ee9c9334cfc5b9659ecd7451f8","tags":["x_refsource_MISC"],"url":"https://github.com/guzzle/guzzle/commit/b9944c161b12d9ee9c9334cfc5b9659ecd7451f8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:16bc4d7fdbd6348f4f43ed08be48d04e8c0fdc498578aabca6f1da8b38c61547 · sha256:eec54ef422679579… · /containers/cna/references/2
{"name":"https://github.com/guzzle/guzzle/pull/3694","tags":["x_refsource_MISC"],"url":"https://github.com/guzzle/guzzle/pull/3694"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:16bc4d7fdbd6348f4f43ed08be48d04e8c0fdc498578aabca6f1da8b38c61547 · sha256:eec54ef422679579… · /containers/cna/references/1
{"name":"https://github.com/guzzle/guzzle/releases/tag/7.12.3","tags":["x_refsource_MISC"],"url":"https://github.com/guzzle/guzzle/releases/tag/7.12.3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:16bc4d7fdbd6348f4f43ed08be48d04e8c0fdc498578aabca6f1da8b38c61547 · sha256:eec54ef422679579… · /containers/cna/references/3
{"name":"https://github.com/guzzle/guzzle/security/advisories/GHSA-g446-98w2-8p5w","tags":["x_refsource_CONFIRM"],"url":"https://github.com/guzzle/guzzle/security/advisories/GHSA-g446-98w2-8p5w"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:16bc4d7fdbd6348f4f43ed08be48d04e8c0fdc498578aabca6f1da8b38c61547 · sha256:eec54ef422679579… · /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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