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CVE-2026-48526

Опубликовано: 28 мая 2026
Источник: debian

Описание

PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, when the verifier is decoding JSON Web Tokens, while supporting both asymmetric and HMAC algorithms, the library does not validate use of JSON Web Keys in HMAC algorithm, allowing attacker to use the issuer public key as the secret key for HMAC algorithm. This vulnerability is fixed in 2.13.0.

Пакеты

ПакетСтатусВерсия исправленияРелизТип
pyjwtfixed2.13.0-1package
pyjwtno-dsatrixiepackage
pyjwtpostponedbookwormpackage
pyjwtpostponedbullseyepackage

Примечания

  • https://github.com/jpadilla/pyjwt/security/advisories/GHSA-xgmm-8j9v-c9wx

  • https://github.com/jpadilla/pyjwt/commit/95791b1759b8aa4f2203575d344d5c78564cdc81 (2.13.0)

Связанные уязвимости

CVSS3: 7.4
ubuntu
2 месяца назад

PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, when the verifier is decoding JSON Web Tokens, while supporting both asymmetric and HMAC algorithms, the library does not validate use of JSON Web Keys in HMAC algorithm, allowing attacker to use the issuer public key as the secret key for HMAC algorithm. This vulnerability is fixed in 2.13.0.

CVSS3: 7.4
redhat
2 месяца назад

PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, when the verifier is decoding JSON Web Tokens, while supporting both asymmetric and HMAC algorithms, the library does not validate use of JSON Web Keys in HMAC algorithm, allowing attacker to use the issuer public key as the secret key for HMAC algorithm. This vulnerability is fixed in 2.13.0.

CVSS3: 7.4
nvd
2 месяца назад

PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, when the verifier is decoding JSON Web Tokens, while supporting both asymmetric and HMAC algorithms, the library does not validate use of JSON Web Keys in HMAC algorithm, allowing attacker to use the issuer public key as the secret key for HMAC algorithm. This vulnerability is fixed in 2.13.0.

msrc
9 дней назад

PyJWT: Public-key JWK accepted as HMAC secret enables forged HS256 tokens when mixed families are allowed

rocky
около 2 месяцев назад

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