CVE-2026-29066 json
Arbitrary File Read via Disabled Vite Filesystem Restriction in TinaCMS CLI
published 7mo ago modified 4mo ago also EUVD-2026-11615 , GHSA-m48g-4wr2-j2h6
- cvss
- 6.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 66%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
Tina is a headless content management system. Prior to 2.1.8, the TinaCMS CLI dev server configures Vite with server.fs.strict: false, which disables Vite's built-in filesystem access restriction. This allows any unauthenticated attacker who can reach the dev server to read arbitrary files on the host system. This vulnerability is fixed in 2.1.8.
Patch / fix
- npm @tinacms/cli 2.1.8
- ssw tinacms/cli 2.1.8
- tina @tinacms/cli 2.1.8
- tinacms cli 2.1.8
Is CVE-2026-29066 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 7mo ago
Exploit prediction
1.11% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- Nuclei template TinaCMS - Path Traversal nuclei detection template
- github.com https://github.com/tinacms/tinacms/security/advisories/GHSA-m48g-4wr2-j2h6 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.2 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| GitHub | 3.1 | 6.2 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | @tinacms/cli | <2.1.8 |
2.1.8 |
Affected products
- @tinacms cli
Classification
References
-
github.com
/tinacms/tinacms/security/advisories/GHSA-m48g-4wr2-j2h6
exploit, web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2026-29066
advisory
-
github.com
/tinacms/tinacms
package
Sources
- CVE List CVE-2026-29066
- GitHub Advisory GHSA-m48g-4wr2-j2h6
- NVD CVE-2026-29066
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.