What is the CVSS score of CVE-2026-29066?

CVE-2026-29066 has a CVSS 3.1 base score of 6.2 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of Tinacms Cli are affected by CVE-2026-29066?

Organizations using Tina should be aware of moderate risk from CVE-2026-29066, a information exposure vulnerability rated CVSS 6.2. Sensitive information could be exposed to unauthorized parties.. A patch is available.

Is there a public PoC exploit available for CVE-2026-29066?

Yes, a public proof-of-concept exploit is available for CVE-2026-29066. Prioritise patching immediately. EPSS: 0.0%.

Tinacms Cli CVE-2026-29066

MEDIUM

Information Exposure (CWE-200)

2026-03-12 security-advisories@github.com

GHSA-m48g-4wr2-j2h6

Information Disclosure Tinacms Cli

6.2

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

6.2 MEDIUM

AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Patch released

Mar 31, 2026 - 21:13 nvd

Patch available

Analysis Generated

Mar 12, 2026 - 19:57 vuln.today

CVE Published

Mar 12, 2026 - 17:16 nvd

MEDIUM 6.2

DescriptionGitHub Advisory

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.

AnalysisAI

Medium severity vulnerability in TinaCMS. The TinaCMS CLI dev server configures Vite with server.fs.strict: false, which disables Vite's built-in filesystem access restriction. …

Unlock full vulnerability intelligence

Risk assessment & exploitation conditions
Attack chain visualization
Remediation with exact patch versions
Threat intelligence from 22 sources
Personal watchlist & email alerts

Continue with Google Continue with GitHub

Free forever · No credit card required

Vulnerability AssessmentAI

Risk Assessment	Severity: Medium (6.2/10.0) No EPSS data available yet Local attack vector — requires local access or user interaction to exploit Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	An attacker with local access to the system can exploit this vulnerability. Exploitation can lead to unauthorized access to sensitive information, potentially exposing user data, credentials, or internal system details.
Remediation	Security advisories: - https://github.com/tinacms/tinacms/security/advisories/GHSA-m48g-4wr2-j2h6 Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …

Threat intelligence, references, and detailed analysis are available after sign-in.

CVE-2026-29066 vulnerability details – vuln.today

Back

Tinacms Cli CVE-2026-29066

Severity by source

CVSS VectorGitHub Advisory

Lifecycle Timeline

DescriptionGitHub Advisory

AnalysisAI

Unlock full vulnerability intelligence

Vulnerability AssessmentAI

Recommended ActionAI

Share

External POC / Exploit Code