Vulnerability · Published Sep 14, 2026 · Assigned by eclipse
CVE-2026-88819
Medium 6.3
In plain English
A medium-severity authentication bypass by spoofing in Eclipse Data Plane Core from Eclipse Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
Severity (CVSS 4.0)6.3Medium
Exploit odds (30 days)0.2%top 93.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In Siglet current and past versions the refresh token handler do not enforce proof of possession of the issuer DID.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Eclipse Foundation | Eclipse Data Plane Core | a6f7d4cc0093931287c349e1e546ad2932c08e8d – before 882fe22db42bc67abfd0304c4cdb141b762c35d10.1.0 – through 0.1.3 |
Weakness: CWE-290, CWE-345 · 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