CVE-2026-89320High· 8.8▾ Twilight`HmacShaCryptor.Hash` never hashed its input. For any input it returned `HMAC_K("")` — the MAC of the empty message under the key. Every AES-CBC-HMAC JWE produced or verified by gose therefore carried an authentication tag that is consta…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 48.4 · likelihood 0 · exploitation 0
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HmacShaCryptor.Hash never hashed its input. For any input it returned HMAC_K("") — the MAC of the empty message under the key. Every AES-CBC-HMAC JWE produced or verified by gose therefore carried an authentication tag that is constant per key and independent of the message, removing ciphertext integrity entirely.
github.com/ThalesGroup/gose >= 0.9.0 <= 0.13.0-rc1github.com/eclipse-keypont/gose < 1.0.0-rc1Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-89312Medium· 6.9AesGcmCryptor.Open passes attacker-controlled nonce to cipher.AEAD.Open without length check, causing panic on wrong-size IV
CVE-2026-89314Medium· 6.9Quadratic-time key_ops duplicate check lets a sub-1 MB JWKS body pin a CPU core for ~15 s
CVE-2026-89313Medium· 6.3JwksTrustStore.Get returns the last fetched JWKS key (err=nil) when the requested kid is absent, instead of nil
CVE-2026-89316Medium· 6.3LoadPublicKey panics on kty/alg mismatch (kty=EC with a non-EC alg) via unchecked *ECDSAOptions type assertion
CVE-2026-89319Medium· 6.3JweDirectDecryptorBlock.Decrypt: unchecked _thales_aad length header reachable with forged tag → index-out-of-range / slice-bounds panic and unbounded allocation
CVE-2026-89317Medium· 6.3JwtVerifierImpl.Verify does not enforce the JWS `crit` header (RFC 7515 §4.1.11)