CVE Catalog

CVE-2026-88819

MediumCVSS 6.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.12%

2th percentile - higher than 2% of all known CVEs

Summary

In Siglet current and past versions, the refresh token handler does not enforce proof of possession of the issuer DID.

Risk Assessment

Lack of proof of possession enforcement may allow an attacker to impersonate the token issuer, potentially leading to unauthorized access to protected resources.

Recommendation

Update Siglet to the latest version that enforces proof of possession for refresh tokens.

Related vulnerabilities

Original NVD description (English source)

In Siglet current and past versions the refresh token handler do not enforce proof of possession of the issuer DID.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS