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CVE-2026-8769
medium
CVSS 4.3
Vulnerability in @ai-sdk/provider-utils (CVE-2026-8769)
Summary
vulnerability in @ai-sdk/provider-utils (CVE-2026-8769). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-8769** has been found in @ai-sdk/provider-utils.
Risk of unauthorized operations or information disclosure. CVSS score: 4.3/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "@ai-sdk/provider-utils CVE-2026-8769" on the vendor's site.
CVE-2026-8769 (@ai-sdk/provider-utils) — CWE-400 / CVSS v3 4.3
Attack vector: remote (network-reachable) / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
❓ What is the problem
**A vulnerability** (CWE-400) exists in @ai-sdk/provider-utils.
📍 Affected scope
@ai-sdk/provider-utils — .
🔥 Severity
Severity: Medium (CVSS 4.3/10). Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to the patched release per vendor advisory.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r '@ai-sdk/provider-utils' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r '@ai-sdk/provider-utils' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `@ai-sdk/provider-utils` を grep し、稼働しているサービス・バージョンを把握する。
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7Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。
Affected packages
npm
@ai-sdk/provider-utils
[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"3.0.97"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2026-8769
- package https://github.com/vercel/ai
- web https://gist.github.com/YLChen-007/fb1096bc8428bed9a428f764d9d103bb
- web https://vuldb.com/submit/811406
- web https://vuldb.com/vuln/364394
- web https://vuldb.com/vuln/364394/cti
- web https://github.com/advisories/GHSA-866g-f22w-33x8