ag-ui-protocol ag-ui Kotlin Community SDK SseParser.kt exceptional condition
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
A vulnerability was detected in ag-ui-protocol ag-ui up to 2026-09-23. This affects an unknown part of the file SseParser.kt of the component Kotlin Community SDK. Performing a manipulation results in handling of exceptional conditions. The attack may be initiated remotely. The pull request to fix this issue awaits acceptance.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| ag-ui-protocol | ag-ui | 2026-09-23 | — | No fix listed | CNA |
- ag-ui Vendorag-ui-protocol Affected 2026-09-23 Fixed in — No fix listed CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ag-ui-protocol:ag-ui:*:*:*:*:*:*:*:* | — | — | — |
- cpe:2.3:a:ag-ui-protocol:ag-ui:*:*:*:*:*:*:*:* Versions — — ·—
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-101099
- 2026-10-03 Alias added: GHSA-pcr3-24cw-387c
References
More ag-ui-protocol vulnerabilities
- TI-2026-83626 Information disclosure in ag-ui HttpAgent client CVSS 4.0MEDIUM 6.9
- TI-2026-83636 Uncontrolled resource consumption in ag-ui-protocol ag-ui CVSS 4.0MEDIUM 5.3
- TI-2026-83635 Improper input validation in ag-ui-protocol ag-ui Transport Decoder CVSS 4.0MEDIUM 5.3
- TI-2026-83632 Uncontrolled resource consumption in ag-ui SSE parser CVSS 4.0MEDIUM 5.3
- TI-2026-83628 Resource consumption in ag-ui-protocol ag-ui HTTP Transport CVSS 4.0MEDIUM 5.3
- TI-2026-62298 ag-ui-protocol ag-ui SSE Frame sse.rs resource consumption CVSS 4.0MEDIUM 6.9
Sources
- CVE-2026-101099 · CVE Program
- CVE-2026-101099 · NVD
- FIRST EPSS
- GHSA-pcr3-24cw-387c · GitHub Advisory Database · CC BY 4.0
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