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CVE-2026-59883

Guzzle: Cookie Disclosure and Injection via IP-Address Domains PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
guzzle / guzzleaffected < 7.12.3

CWE

CWE-346, CWE-384

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.