CVE-2026-101098 json
ag-ui-protocol ag-ui HTTP JdkAgentHttpHandler.java readAllBytes resource consumption
published last mo. modified last mo. also EUVD-2026-88366
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 23%
- public exploits
- 0
- none known
Summary
A security vulnerability has been detected in ag-ui-protocol ag-ui up to 2026-09-23. Affected by this issue is the function readAllBytes of the file JdkAgentHttpHandler.java of the component HTTP Handler. Such manipulation leads to resource consumption. The attack can be launched remotely. The pull request to fix this issue awaits acceptance.
Patch / fix
- github.com/ag-ui-protocol/ag-ui#2671 pull request
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last mo.
Exploit prediction
0.30% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X |
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:C |
| CNA | 3.0 | 4.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:C |
| CNA | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P/E:ND/RL:ND/RC:C |
| CNA | 4.0 | 5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| CNA | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P |
Affected products
- ag-ui-protocol ag-ui
Classification
References
-
github.com
/ag-ui-protocol/ag-ui/pull/2671
issue-tracking, patch
-
vuldb.com
/vuln/410973
vdb-entry, technical-description
-
vuldb.com
/vuln/410973/cti
signature, permissions-required
-
vuldb.com
/cve/CVE-2026-101098
third-party-advisory
-
vuldb.com
/submit/934960
third-party-advisory
-
github.com
/ag-ui-protocol/ag-ui/issues/2441
issue-tracking
-
github.com
/ag-ui-protocol/ag-ui/
product
Sources
- CVE List CVE-2026-101098
- NVD CVE-2026-101098
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.