CVE-2026-39373

A flaw was found in JWCrypto, a Python library for JSON Web Key JWK, JSON Web Signature JWS, and JSON Web Encryption JWE specifications. An unauthenticated attacker can exploit this vulnerability by sending specially crafted JWE tokens that use ZIP compression. While the input token size is...

PYSEC-2026-70

JWCrypto implements JWK, JWS, and JWE specifications using python-cryptography. Prior to 1.5.7, an unauthenticated attacker can exhaust server memory by sending crafted JWE tokens with ZIP compression. The existing patch for CVE-2024-28102 limits input token size to 250KB but does not validate th...

UBUNTU-CVE-2026-39373

JWCrypto implements JWK, JWS, and JWE specifications using python-cryptography. Prior to 1.5.7, an unauthenticated attacker can exhaust server memory by sending crafted JWE tokens with ZIP compression. The existing patch for CVE-2024-28102 limits input token size to 250KB but does not validate th...

CVE-2026-39373

JWCrypto implements JWK, JWS, and JWE specifications using python-cryptography. Prior to 1.5.7, an unauthenticated attacker can exhaust server memory by sending crafted JWE tokens with ZIP compression. The existing patch for CVE-2024-28102 limits input token size to 250KB but does not validate th...

Linux Distros Unpatched Vulnerability : CVE-2026-39373

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - JWCrypto implements JWK, JWS, and JWE specifications using python-cryptography. Prior to 1.5.7, an unauthenticated attacker can exhaust server memory by sending...

CVE-2026-34986

Go JOSE provides an implementation of the Javascript Object Signing and Encryption set of standards in Go, including support for JSON Web Encryption JWE, JSON Web Signature JWS, and JSON Web Token JWT standards. Prior to 4.1.4 and 3.0.5, decrypting a JSON Web Encryption JWE object will panic if t...

CVE-2026-34986

Go JOSE provides an implementation of the Javascript Object Signing and Encryption set of standards in Go, including support for JSON Web Encryption JWE, JSON Web Signature JWS, and JSON Web Token JWT standards. Prior to 4.1.4 and 3.0.5, decrypting a JSON Web Encryption JWE object will panic if t...

CVE-2026-34986

Go JOSE provides an implementation of the Javascript Object Signing and Encryption set of standards in Go, including support for JSON Web Encryption JWE, JSON Web Signature JWS, and JSON Web Token JWT standards. Prior to 4.1.4 and 3.0.5, decrypting a JSON Web Encryption JWE object will panic if t...

CVE-2026-34986 Go JOSE affect by a panic in JWE decryption

Go JOSE provides an implementation of the Javascript Object Signing and Encryption set of standards in Go, including support for JSON Web Encryption JWE, JSON Web Signature JWS, and JSON Web Token JWT standards. Prior to 4.1.4 and 3.0.5, decrypting a JSON Web Encryption JWE object will panic if t...

EUVD-2026-19363

Go JOSE provides an implementation of the Javascript Object Signing and Encryption set of standards in Go, including support for JSON Web Encryption JWE, JSON Web Signature JWS, and JSON Web Token JWT standards. Prior to 4.1.4 and 3.0.5, decrypting a JSON Web Encryption JWE object will panic if t...

CVE-2026-34986 Go JOSE affect by a panic in JWE decryption

Go JOSE provides an implementation of the Javascript Object Signing and Encryption set of standards in Go, including support for JSON Web Encryption JWE, JSON Web Signature JWS, and JSON Web Token JWT standards. Prior to 4.1.4 and 3.0.5, decrypting a JSON Web Encryption JWE object will panic if t...

Go JOSE 安全漏洞

Go JOSE is an implementation of the JOSE standard in Go, open sourced under the Go JOSE project. Versions prior to Go JOSE 4.1.4 and 3.0.5 contained security vulnerabilities. These vulnerabilities occurred when decrypting JSON Web Encryption objects. If the alg field indicated the key wrapping...

Uncaught Exception

Overview Affected versions of this package are vulnerable to Uncaught Exception in the cipher.KeyUnwrap function when decrypting a JSON Web Encryption JWE object with a key wrapping algorithm ending in 'KW', except for 'A128GCMKW', 'A192GCMKW', and 'A256GCMKW' and the encryptedkey field is empty...

Uncaught Exception

Overview Affected versions of this package are vulnerable to Uncaught Exception in the cipher.KeyUnwrap function when decrypting a JSON Web Encryption JWE object with a key wrapping algorithm ending in 'KW', except for 'A128GCMKW', 'A192GCMKW', and 'A256GCMKW' and the encryptedkey field is empty...

GHSA-78H2-9FRX-2JM8 Go JOSE Panics in JWE decryption

Impact Decrypting a JSON Web Encryption JWE object will panic if the alg field indicates a key wrapping algorithm one ending in KW, with the exception of A128GCMKW, A192GCMKW, and A256GCMKW and the encryptedkey field is empty. The panic happens when cipher.KeyUnwrap in keywrap.go attempts to...

Uncaught Exception

Overview Affected versions of this package are vulnerable to Uncaught Exception in the cipher.KeyUnwrap function when decrypting a JSON Web Encryption JWE object with a key wrapping algorithm ending in 'KW', except for 'A128GCMKW', 'A192GCMKW', and 'A256GCMKW' and the encryptedkey field is empty...

Uncaught Exception

Overview Affected versions of this package are vulnerable to Uncaught Exception in the cipher.KeyUnwrap function when decrypting a JSON Web Encryption JWE object with a key wrapping algorithm ending in 'KW', except for 'A128GCMKW', 'A192GCMKW', and 'A256GCMKW' and the encryptedkey field is empty...

Uncaught Exception

Overview Affected versions of this package are vulnerable to Uncaught Exception in the cipher.KeyUnwrap function when decrypting a JSON Web Encryption JWE object with a key wrapping algorithm ending in 'KW', except for 'A128GCMKW', 'A192GCMKW', and 'A256GCMKW' and the encryptedkey field is empty...

Exploit for CVE-2026-29000

CVE-2026-29000-pac4j-jwt-auth-byp...

EUVD-2026-13871

SimpleJWT is a simple JSON web token library written in PHP. Prior to version 1.1.1, an unauthenticated attacker can perform a Denial of Service via JWE header tampering when PBES2 algorithms are used. Applications that call JWE::decrypt on attacker-controlled JWEs using PBES2 algorithms are...