What’s Vulnerable › Vulnerabilities

CVE-2026-55221: Boruta: OAuth credentials exposed in Boruta business logs

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-02 · updated 2026-09-09
• Weakness: CWE-532

Description

Boruta is a standalone authorization server that aims to implement OAuth 2.0 and Openid Connect up to decentralized identity specifications. Prior to version 0.10.0, Boruta logged sensitive OAuth and OpenID Connect values in business event logs. Logged values could include access tokens, refresh tokens, authorization codes, agent tokens, direct-post codes, ID tokens, VP tokens, and tokens submitted to introspection or revocation endpoints. An attacker with access to Boruta logs, log aggregation systems, or the administration log viewer could recover these credentials and use them until expiration or revocation. This issue has been patched in version 0.10.0.

Affected products

• malach-it boruta-server: before 0.10.0

References

• https://github.com/malach-it/boruta-server/commit/5f8362aea39fdc2c6d6cfe41c6519985f32ba9b5
• https://github.com/malach-it/boruta-server/releases/tag/0.10.0
• https://github.com/malach-it/boruta-server/security/advisories/GHSA-pqwf-v25h-4874

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