Auth0 Symfony SDK has Insufficient Entropy in Cookie Encryption
Priority LOW 38CWE-331Published · Updated
Key facts
- Attack vector
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- Privileges required
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- User interaction
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- Attack complexity
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- Impact type
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- Confidentiality · integrity · availability
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- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub.
Summary
### Impact In applications built with the Auth0 PHP SDK, cookies are encrypted with insufficient entropy, which may result in threat actors brute-forcing the encryption key and forging session cookies. ### Am I Affected? Consumers are affected if their application meets the following preconditions: - It uses the Auth0 Symfony SDK, versions between 5.0.0 and 5.7.0 - Auth0 Symfony SDK using the Auth0-PHP SDK versions between 8.0.0 to 8.18.0. ### Resolution Upgrade Auth0/symfony-auth0 to version 5.8.0 or greater.
Why it matters now
Fix Fixed auth0/symfony (Packagist): 5.8.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | auth0/symfony (Packagist) | 5.0.0 to before 5.8.0 | 5.8.0 | Patch available | GHSA-ghc5-95c2-vwcv |
- auth0/symfony (Packagist) Vendor— Affected 5.0.0 to before 5.8.0 Fixed in 5.8.0 Patch available GHSA-ghc5-95c2-vwcv
Remediation
- Fix · GHSA-ghc5-95c2-vwcv auth0/symfony (Packagist) Fixed in 5.8.0 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-ghc5-95c2-vwcv
References
Sources
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