medium4.3
CVE-2026-8769
@ai-sdk/provider-utils has an Uncontrolled Resource Consumption issue
Impact
A vulnerability was determined in vercel ai up to 3.0.97. The impacted element is the function createJsonResponseHandler/createJsonErrorResponseHandler of the file packages/provider-utils/src/response-handler.ts of the component provider-utils. This manipulation causes resource consumption. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | @ai-sdk/provider-utils | < 3.0.28 | 3.0.28 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Vercel | Ai | through 3.0.97 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-866g-f22w-33x8
- https://nvd.nist.gov/vuln/detail/CVE-2026-8769
- https://gist.github.com/YLChen-007/fb1096bc8428bed9a428f764d9d103bb
- https://vuldb.com/submit/811406
- https://vuldb.com/vuln/364394
- https://vuldb.com/vuln/364394/cti
- https://github.com/vercel/ai/pull/16374
- https://github.com/vercel/ai/commit/6a436e31d247d678ddaedfc6f61e73ac0595e4b4
- https://github.com/vercel/ai/commit/b30e43ac3fae2432a40b4f4f27f844f3d78b119e
- https://github.com/vercel/ai/commit/b85c4fbc603b8173cf50a9790823397aada908a9
- https://github.com/vercel/ai/blob/main/packages/provider-utils/CHANGELOG.md#501
- https://github.com/vercel/ai/releases/tag/@ai-sdk/provider-utils@3.0.28
- https://github.com/vercel/ai/releases/tag/@ai-sdk/provider-utils@4.0.33
- https://github.com/vercel/ai/releases/tag/@ai-sdk/provider-utils@5.0.1