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CVE-2026-92363

ag-ui-protocol ag-ui JSON sse_parser.cpp resource consumption

MEDIUM
4.3
CVSS Score
Published: September 16, 2026 at 01:30 PM UTC
Updated: September 18, 2026 at 06:18 PM UTC
1 product affected across 1 vendorAG-UI

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

A flaw has been found in ag-ui-protocol ag-ui 1.0. Affected is an unknown function of the file src/stream/sse_parser.cpp of the component JSON Parser. Executing a manipulation can lead to resource consumption. The attack may be performed from remote. This patch is called ab6e0bc298996caac2b4b0b3ec0bd8d32a15a186. Applying a patch is advised to resolve this issue.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (8)

VDB Entry
Source: cverecord
https://vuldb.com/vuln/405449
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/405449/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-92363
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/934957
Issue Tracking
Source: cverecord
https://github.com/ag-ui-protocol/ag-ui/issues/2440
Issue TrackingPatch
Source: cverecord
https://github.com/ag-ui-protocol/ag-ui/pull/2501
Patch
Source: cverecord
https://github.com/ag-ui-protocol/ag-ui/commit/ab6e0bc298996caac2b4b0b3ec0bd8d32a15a186
Product
Source: cverecord
https://github.com/ag-ui-protocol/ag-ui/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-400CWE-404

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