CVE-2026-88819

Refresh Token Handler Lacks Proof of Possession of Issuer DID in Siglet

Published Sep 14, 2026 CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
Description
In Siglet current and past versions the refresh token handler do not enforce proof of possession of the issuer DID.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Refresh Token Handler Lacks Proof of Possession of Issuer DID in Siglet
Type Values Removed Values Added
Description In Siglet current and past versions the refresh token handler do not enforce proof of possession of the issuer DID.
Weaknesses CWE-290
CWE-345
References
Metrics cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
eclipse
Published
Updated
Sep 14, 2026, 7:23 PM
Reserved
Sep 10, 2026, 8:53 AM
Status
Awaiting Analysis
Published
Sep 14, 2026, 4:17 PM
Modified
Sep 16, 2026, 8:38 PM