CVE-2026-8767vercel ai PR Branch Name Interpolation prettier-on-automerge.yml run os command injection
- 2.3LowCVSS base score
- 7.0%Exploitation in 30 daysEPSS · top 5.8% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- YesPublic exploitsa reference or SSVC says so
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. A reference of the record is tagged as an exploit. CISA's SSVC rates its exploitation: a proof of concept is public.
Show the exploits1
References tagged exploit1 reference
Timeline
ID reserved
By VulDB
Published
- 1 day later
· 1 day later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
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 (12 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.3.
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
References4
- 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)
- EUVD EUVD-2026-30714 (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://cveledger.app/cve/CVE-2026-8767)Record last updated .