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TI-2026-07705 Aliases CVE-2026-8767GHSA-9pj2-3x6v-c3pp

vercel ai PR Branch Name Interpolation prettier-on-automerge.yml run os command injection

Priority MEDIUM 45CWE-77Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.

Summary

A vulnerability has been found in vercel ai up to 3.0.97. Impacted is the function run of the file .github/workflows/prettier-on-automerge.yml of the component PR Branch Name Interpolation. The manipulation leads to os command injection. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitability is considered difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.06966 94th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
vercelai3.0.0; 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 listedCNA
  • 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

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:vercel:ai:*:*:*:*:*:*:*:*up to 3.0.97Vulnerablevercel
  • cpe:2.3:a:vercel:ai:*:*:*:*:*:*:*:* Versions up to 3.0.97 Vulnerable ·vercel

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-8767
  2. 2026-10-03 Alias added: GHSA-9pj2-3x6v-c3pp

References

Exploit 1

  • TI-2026-07706 vercel ai provider-utils download-blob.ts validateDownloadUrl server-side request forgery CVSS 4.0MEDIUM 6.9
  • TI-2026-07707 vercel ai provider-utils response-handler.ts createJsonErrorResponseHandler resource consumption CVSS 4.0MEDIUM 5.3
  • TI-2025-31113 Improper input validation in vercel AI SDK CVSS 3.1MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences