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  4. CVE 2026 120237 ag ui protocol ag ui interrupt expiry indexts
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Back to active CVEs
Medium · CVSS 5.3CVE-2026-120237

ag-ui-protocol ag-ui Interrupt expiry index.ts isInterruptExpired resource consumptionCVE-2026-120237

Answer in brief

CVE-2026-120237 records a Medium severity (CVSS 5.3) vulnerability in ag-ui-protocol ag-ui Interrupt expiry index.ts isInterruptExpired resource consumption. The current sources do not mark it as known exploited. The current feed maps ag-ui-protocol/ag-ui (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 1, 2026Updated Nov 1, 2026Source checked Nov 1, 2026First seen by HOL Nov 1, 2026Material review Nov 1, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps ag-ui-protocol/ag-ui (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
ag-ui-protocol/ag-uigeneric0.0.1 || 0.0.2 || 0.0.3 || 0.0.4 || 0.0.5 || 0.0.6 || 0.0.7 || 0.0.8 || 0.0.9 || 0.0.10 || 0.0.11 || 0.0.12 || 0.0.13 || 0.0.14 || 0.0.15 || 0.0.16 || 0.0.17 || 0.0.18 || 0.0.19 || 0.0.20 || 0.0.21 || 0.0.22 || 0.0.23 || 0.0.24 || 0.0.25 || 0.0.26 || 0.0.27 || 0.0.28 || 0.0.29 || 0.0.30 || 0.0.31 || 0.0.32 || 0.0.33 || 0.0.34 || 0.0.35 || 0.0.36 || 0.0.37 || 0.0.38 || 0.0.39 || 0.0.40 || 0.0.41 || 0.0.42 || 0.0.43 || 0.0.44 || 0.0.45 || 0.0.46 || 0.0.47 || 0.0.48 || 0.0.49 || 0.0.50 || 0.0.51 || 0.0.52 || 0.0.53 || 0.0.54 || 0.0.55 || 0.0.56 || 0.0.57 || 0.0.58Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for ag-ui-protocol/ag-ui.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Nov 1, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 1, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 1, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
Upstream source description

A flaw has been found in ag-ui-protocol ag-ui up to 0.0.58. Affected by this issue is the function isInterruptExpired of the file sdks/typescript/packages/client/src/interrupts/index.ts of the component Interrupt expiry. This manipulation causes resource consumption. Remote exploitation of the attack is possible. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • ag-ui-protocol ag-ui HttpAgent http.ts information disclosureSame ag-ui-protocol/ag-ui package
  • ag-ui-protocol ag-ui HTTP Transport e.text resource consumptionSame ag-ui-protocol/ag-ui package
  • ag-ui-protocol ag-ui SSE Parser sse.ts parseSSEStream resource consumptionSame ag-ui-protocol/ag-ui package
  • ag-ui-protocol ag-ui Transport Decoder input validationSame ag-ui-protocol/ag-ui package
  • Gitea Helm chart upload decompression denial of serviceAlso CWE-400

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-400, CWE-404
Source
CVE List V5
Source checked
Nov 1, 2026
References
7 linked sources
Open source record