web-token has 4 CVEs on record. The busiest recent month was June 2026 with 4. Most affected products: web-token/jwt-library (2), web-token/jwt-experimental (1), web-token/jwt-framework (1).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- —
- Publish → KEV
- —
- Last 90 days
- 0 prev 4
Products
- web-token/jwt-library 2
- web-token/jwt-experimental 1
- web-token/jwt-framework 1
Worst active — by depth score
GHSA-jc38-x7x8-2xc8HighPHP JWT Framework: JWSVerifier uses algorithm from unprotected header, enabling algorithm confusion attacks41GHSA-3prj-6hqw-cm82HighPHP JWT Library: PBES2-HS*+A*KW unwrap accepts an unbounded p2c iteration count, enabling CPU-amplification denial of service41GHSA-6vvh-pxr4-25r7MediumPHP JWT Framework: Chacha20Poly1305 key-encryption algorithm discards the Poly1305 authentication tag, performing no authentication on decryption28GHSA-5739-39v2-5754MediumPHP JWT Library: RSA1_5 (RSAES-PKCS1-v1_5) decryption lacks implicit rejection, exposing a Bleichenbacher/Marvin padding oracle28
web-token vulnerabilities
CVEs affecting web-token, newest first. Open any entry for full detail, references, and exploit status.
4 CVEsRSS
GHSA-6vvh-pxr4-25r7MediumPHP JWT Framework: Chacha20Poly1305 key-encryption algorithm discards the Poly1305 authentication tag, performing no authentication on decryption
PHP JWT Framework: Chacha20Poly1305 key-encryption algorithm discards the Poly1305 authentication tag, performing no authentication on decryption
GHSA-3prj-6hqw-cm82HighPHP JWT Library: PBES2-HS*+A*KW unwrap accepts an unbounded p2c iteration count, enabling CPU-amplification denial of service
PHP JWT Library: PBES2-HS*+A*KW unwrap accepts an unbounded p2c iteration count, enabling CPU-amplification denial of service
GHSA-jc38-x7x8-2xc8HighPHP JWT Framework: JWSVerifier uses algorithm from unprotected header, enabling algorithm confusion attacks
PHP JWT Framework: JWSVerifier uses algorithm from unprotected header, enabling algorithm confusion attacks
GHSA-5739-39v2-5754MediumPHP JWT Library: RSA1_5 (RSAES-PKCS1-v1_5) decryption lacks implicit rejection, exposing a Bleichenbacher/Marvin padding oracle
PHP JWT Library: RSA1_5 (RSAES-PKCS1-v1_5) decryption lacks implicit rejection, exposing a Bleichenbacher/Marvin padding oracle