CVE-2026-88819
Siglet Refresh Token Issuer DID Proof of Possession Bypass
Description
In Siglet current and past versions the refresh token handler do not enforce proof of possession of the issuer DID.
INFO
Published Date :
Sept. 14, 2026, 3:32 p.m.
Last Modified :
Sept. 14, 2026, 3:32 p.m.
Remotely Exploit :
Yes !
Source :
eclipse
Affected Products
The following products are affected by CVE-2026-88819
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | e51fbebd-6053-4e49-959f-1b94eeb69a2c |
Solution
- Update Siglet to enforce DID proof of possession for refresh tokens.
- Validate refresh token issuer DID before granting access.
- Implement secure token handling mechanisms.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-88819 vulnerability anywhere in the article.