Pre-authentication OIDC and JWKS fetches block the asyncio event loop
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-400.
Summary
Eclipse CSI - PIA versions 0 through 0.8.0 run OIDC discovery and JWKS fetches before authentication, synchronously on the asyncio event loop (CWE-400). One unauthenticated request stalls the whole service. CVSS 4.0 scores the issue 6.9 (MEDIUM). CISA's SSVC rates exploitation as none, automatable as yes and technical impact as partial.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
Pre-authentication OIDC discovery and JWKS fetches run synchronously on the asyncio event loop, so one unauthenticated request stalls the whole service.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Eclipse Foundation | Eclipse CSI - PIA | up to 0.8.0 | — | No fix listed | CNA |
- Eclipse CSI - PIA VendorEclipse Foundation Affected up to 0.8.0 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for Eclipse CSI - PIA versions 0 through 0.8.0 as of publication on 2026-10-20.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Timeline
- 2026-10-20 Threatist record created from CVE-2026-108062
- 2026-10-20 CISA SSVC decision points changed
- 2026-10-20 Priority changed: MEDIUM → LOW
References
More Eclipse Foundation vulnerabilities
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Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences