vercel ai provider-utils download-blob.ts validateDownloadUrl server-side request forgery
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
A vulnerability was found in vercel ai up to 3.0.97. The affected element is the function validateDownloadUrl of the file packages/provider-utils/src/download-blob.ts of the component provider-utils. The manipulation results in server-side request forgery. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| vercel | ai | 3.0.0; 3.0.1; 3.0.2; 3.0.3; 3.0.4; 3.0.5; 3.0.6; 3.0.7; 3.0.8; 3.0.9; 3.0.10; 3.0.11; 3.0.12; 3.0.13; 3.0.14; 3.0.15; 3.0.16; 3.0.17; 3.0.18; 3.0.19; 3.0.20; 3.0.21; 3.0.22; 3.0.23; 3.0.24; 3.0.25; 3.0.26; 3.0.27; 3.0.28; 3.0.29; 3.0.30; 3.0.31; 3.0.32; 3.0.33; 3.0.34; 3.0.35; 3.0.36; 3.0.37; 3.0.38; 3.0.39; 3.0.40; 3.0.41; 3.0.42; 3.0.43; 3.0.44; 3.0.45; 3.0.46; 3.0.47; 3.0.48; 3.0.49; 3.0.50; 3.0.51; 3.0.52; 3.0.53; 3.0.54; 3.0.55; 3.0.56; 3.0.57; 3.0.58; 3.0.59; 3.0.60; 3.0.61; 3.0.62; 3.0.63; 3.0.64; 3.0.65; 3.0.66; 3.0.67; 3.0.68; 3.0.69; 3.0.70; 3.0.71; 3.0.72; 3.0.73; 3.0.74; 3.0.75; 3.0.76; 3.0.77; 3.0.78; 3.0.79; 3.0.80; 3.0.81; 3.0.82; 3.0.83; 3.0.84; 3.0.85; 3.0.86; 3.0.87; 3.0.88; 3.0.89; 3.0.90; 3.0.91; 3.0.92; 3.0.93; 3.0.94; 3.0.95; 3.0.96; 3.0.97 | — | No fix listed | CNA |
- ai Vendorvercel Affected 3.0.0; 3.0.1; 3.0.2; 3.0.3; 3.0.4; 3.0.5; 3.0.6; 3.0.7; 3.0.8; 3.0.9; 3.0.10; 3.0.11; 3.0.12; 3.0.13; 3.0.14; 3.0.15; 3.0.16; 3.0.17; 3.0.18; 3.0.19; 3.0.20; 3.0.21; 3.0.22; 3.0.23; 3.0.24; 3.0.25; 3.0.26; 3.0.27; 3.0.28; 3.0.29; 3.0.30; 3.0.31; 3.0.32; 3.0.33; 3.0.34; 3.0.35; 3.0.36; 3.0.37; 3.0.38; 3.0.39; 3.0.40; 3.0.41; 3.0.42; 3.0.43; 3.0.44; 3.0.45; 3.0.46; 3.0.47; 3.0.48; 3.0.49; 3.0.50; 3.0.51; 3.0.52; 3.0.53; 3.0.54; 3.0.55; 3.0.56; 3.0.57; 3.0.58; 3.0.59; 3.0.60; 3.0.61; 3.0.62; 3.0.63; 3.0.64; 3.0.65; 3.0.66; 3.0.67; 3.0.68; 3.0.69; 3.0.70; 3.0.71; 3.0.72; 3.0.73; 3.0.74; 3.0.75; 3.0.76; 3.0.77; 3.0.78; 3.0.79; 3.0.80; 3.0.81; 3.0.82; 3.0.83; 3.0.84; 3.0.85; 3.0.86; 3.0.87; 3.0.88; 3.0.89; 3.0.90; 3.0.91; 3.0.92; 3.0.93; 3.0.94; 3.0.95; 3.0.96; 3.0.97 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-8768
- 2026-10-03 Alias added: GHSA-8rqj-9gxc-63cr
- 2026-10-25 EPSS moved to the below the 50th percentile
References
More vercel Ai vulnerabilities
- TI-2026-07707 vercel ai provider-utils response-handler.ts createJsonErrorResponseHandler resource consumption CVSS 4.0MEDIUM 5.3
- TI-2026-07705 vercel ai PR Branch Name Interpolation prettier-on-automerge.yml run os command injection CVSS 4.0LOW 2.3
- TI-2025-31113 Improper input validation in vercel AI SDK CVSS 3.1MEDIUM 5.3
Sources
- CVE-2026-8768 · CVE Program
- CVE-2026-8768 · NVD
- FIRST EPSS
- GHSA-8rqj-9gxc-63cr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences