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CVE-2026-8767
vercel ai PR Branch Name Interpolation prettier-on-automerge.yml run os command injection
Low2.3EPSS 7.0%
- Published
- Updated
- Reserved
- Assigned by
- VulDB
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Low2.3 | CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P |
| VulDBCNA (assigner) | 3.1 | Medium5.0 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R |
| VulDBCNA (assigner) | 3.0 | Medium5.0 | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R |
| VulDBCNA (assigner) | 2.0 | Medium4.6 | AV:N/AC:H/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR |
| NVDNVD · Analyzed | 4.0 | Low1.3 | CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 7.0% · top 5.8% of all CVEs (5 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.3.
Weakness
Affected products
- affected 3.0.0
- affected 3.0.1
- affected 3.0.2
- affected 3.0.3
- affected 3.0.4
- affected 3.0.5
- affected 3.0.6
- affected 3.0.7
- affected 3.0.8
- affected 3.0.9
- affected 3.0.10
- affected 3.0.11
- affected 3.0.12
- affected 3.0.13
- affected 3.0.14
- affected 3.0.15
- affected 3.0.16
- affected 3.0.17
- affected 3.0.18
- affected 3.0.19
- affected 3.0.20
- affected 3.0.21
- affected 3.0.22
- affected 3.0.23
- affected 3.0.24
- affected 3.0.25
- affected 3.0.26
- affected 3.0.27
- affected 3.0.28
- affected 3.0.29
- affected 3.0.30
- affected 3.0.31
- affected 3.0.32
- affected 3.0.33
- affected 3.0.34
- affected 3.0.35
- affected 3.0.36
- affected 3.0.37
- affected 3.0.38
- affected 3.0.39
- and 58 more
References (4)
- VDB-364392 | vercel ai PR Branch Name Interpolation prettier-on-automerge.yml run os command injection (opens in a new tab)vdb-entrytechnical-description
- VDB-364392 | CTI Indicators (IOB, IOC, TTP, IOA) (opens in a new tab)signaturepermissions-required
- Submit #811402 | vercel ai @ai-sdk/[email protected] OS Command Injection (CWE-78) (opens in a new tab)third-party-advisory
- https://gist.github.com/YLChen-007/870bd6966cd84703d91ce54dfea3bdd0 (opens in a new tab)exploit
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-8767)Record last updated .