Medium severity · published Sep 28, 2026
CVE-2026-101099
ag-ui-protocol ag-ui Kotlin Community SDK SseParser.kt exceptional condition
4.3
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AG
ag-ui · ag-ui-protocol
2026-09-23 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-101099
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-101099
vdb-entry
https://vuldb.com/vuln/410974
signature
https://vuldb.com/vuln/410974/cti
third-party-advisory
https://vuldb.com/cve/CVE-2026-101099
third-party-advisory
https://vuldb.com/submit/934974
issue-tracking
https://github.com/ag-ui-protocol/ag-ui/issues/2442
issue-tracking
https://github.com/ag-ui-protocol/ag-ui/pull/2657
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