HIGHCVSS 7.5Vulnerability
CVE-2026-85393
node-forge through 1.4.0 fails to validate element count in nested DigestAlgorithm sequences during RSA PKCS#1 v1.5 signature verification. Attackers can embed garbage bytes inside the DigestAlgorithm sequence to forge valid signatures for arbitrary messages using low-exponent RSA keys. This is an incomplete fix for CVE-2026-33894.
Properties
- severity
- HIGH
- cvss_severity
- HIGH
- cvss_score
- 7.5
- retrieved_at
- 2026-09-25T15:10:08+00:00
- score
- 7.5
- last_source
- NVD
- cve_id
- CVE-2026-85393
- cvss_vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- signal_observed_at
- 2026-09-25T15:10:08+00:00
- vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- published_at
- 2026-09-03T19:17:31.103
- last_modified
- 2026-09-24T20:43:32.537
Related Entities (2)
DESCRIBED_BY (1)
→[Source]NVD
HAS_WEAKNESS (1)
→[Weakness]Improper Verification of Cryptographic Signature
Explore deeper with Ninja Signal's threat intelligence graph