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The vulnerability stems from the validateAccessToken method using JwtParser's parse() method instead of secure alternatives like parseClaimsJws(). The code shows Jwts.parserBuilder().setSigningKey().build().parse() which doesn't validate signatures, as confirmed by: 1) CodeQL documentation about parse() vs parseClaimsJws() 2) Advisory mentions line 134 where parse() is called 3) CWE-347 directly maps to missing cryptographic signature verification. The method clearly implements JWT validation without proper signature checking.
| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| acryl-datahub | pip | < 0.8.45 | 0.8.45 |
KEV Misses 88% of Exploited CVEs- Get the report