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    CVE-2026-89319

    `JweDirectDecryptorBlock.Decrypt` read a 64-bit plaintext length from the `_thales_aad` protected-header field and used it without any validation. A truncated field panics `binary.BigEndian.Uint64`, an oversized value drives an unbounded allocation, and a value larger than the decrypted block panics with a slice-bounds error.

    Published:Oct 23, 2026
    Last Modified:Oct 26, 2026
    EPS:Oct 23, 2026
    EPSS Score:0.00207
    CVSS Score:6.3

    Affected Products

    Vendor
    Eclipse
    Product
    Keypont-gose

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-100 Overflow Buffers

    Related CVEs

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    CVE-2026-89318 (CVSS 6.9) — `JweRsaKeyEncryptionDecryptorImpl.Decrypt` passed the JWE's initialization vector to `cipher.AEAD.Open` withou…
    CVE-2026-89317 (CVSS 6.3) — gose parsed the JWS `crit` header into `JwsHeader.Crit` and then never read it. RFC 7515 §4.1.11 requires a re…
    CVE-2026-89316 (CVSS 6.3) — `LoadPublicKey` resolved an EC key's curve with an unchecked type assertion, `algToOptsMap[alg].(*ECDSAOptions…
    CVE-2026-89315 (CVSS 6.9) — `JwtClaims.MarshalJSON` built a Go struct at runtime with `reflect.StructOf`, synthesising a field named `"A" …
    CVE-2026-89314 (CVSS 6.9) — `jwkFields.CheckConsistency` detected duplicate `key_ops` entries with a pairwise nested loop, making validati…
    CVE-2026-89313 (CVSS 6.3) — `JwksTrustStore.Get` assigned each parsed key to the function's **named return value** while refreshing the JW…
    CVE-2026-89312 (CVSS 6.9) — `AesGcmCryptor.Open` passed a caller-supplied nonce straight to `cipher.AEAD.Open` without checking its length…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High