CVE-2026-88819 - Vulnerability Details - OpenCVE

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

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00124.

Exploitation none

Automatable no

Technical Impact partial

No data.

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OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/931

History

Tue, 15 Sep 2026 13:30:00 +0000

Type	Values Removed	Values Added
Title		Refresh Token Handler Lacks Proof of Possession of Issuer DID in Siglet

Mon, 14 Sep 2026 21:00:00 +0000

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		https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/931
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'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: eclipse

Published: 2026-09-14T15:32:36.047Z

Updated: 2026-09-14T19:23:00.453Z

Reserved: 2026-09-10T08:53:25.943Z

Link: CVE-2026-88819

Vulnrichment

Updated: 2026-09-14T19:15:15.992Z

NVD

Status : Received

Published: 2026-09-14T16:17:22.240

Modified: 2026-09-14T20:17:02.157

Link: CVE-2026-88819

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-09-15T13:15:18Z

Weaknesses

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