CVE-2026-108259

Tina is a headless content management system. Prior to 3.0.0, @tinacms/cli reads Git branch values from VERCELGITCOMMITREF, GITHUBBRANCH, or HEAD, incorporates the raw value into the API URL, and interpolates that URL into JavaScript string literals in...

Tina: Code injection via unescaped Git branch name in generated client source

Summary @tinacms/cli inserts the raw Git branch value into the generated client.ts source without escaping or encoding. A Git-valid branch name can close the string literal and inject an arbitrary JavaScript expression that executes when the consumer build imports the generated client module...

CVE-2026-108259 Tina: Code injection via unescaped Git branch name in generated client source

Tina is a headless content management system. Prior to 3.0.0, @tinacms/cli reads Git branch values from VERCELGITCOMMITREF, GITHUBBRANCH, or HEAD, incorporates the raw value into the API URL, and interpolates that URL into JavaScript string literals in...

CVE-2026-108259

The headless content management system Tina contains a code injection vulnerability in versions prior to 3.0.0 . The @tinacms/cli component fails to sanitize Git branch names retrieved from environment variables like VERCEL_GIT_COMMIT_REF, GITHUB_BRANCH, or HEAD. These raw values are interpolated...

Tina: Cross-origin `POST /media/upload/*` requests can write arbitrary files into the Tina dev server media root

Summary A browser-based cross-origin request flaw in the Tina dev server allows an attacker-controlled website to cause arbitrary file creation inside the configured media upload directory on a developer machine running tinacms dev. No manual file upload is required. The attacker page builds the...

PT-2026-80310

Summary A browser-based cross-origin request flaw in the Tina dev server allows an attacker-controlled website to cause arbitrary file creation inside the configured media upload directory on a developer machine running tinacms dev. No manual file upload is required. The attacker page builds the...

CVE-2026-54074 @tinacms/cli: Remote Code Execution via Forestry migration — unsanitised __TINA_INTERNAL__ marker in user-controlled YAML labels

Tina is a headless content management system. @tinacms/cli versions prior to 2.4.3 contain a Remote Code Execution vulnerability in the Forestry-to-Tina migration command. The internal helper addVariablesToCode unquotes any value matching the marker "TINAINTERNAL:::.?:::" inside the stringified...

EUVD-2026-41142

Tina is a headless content management system. @tinacms/cli versions prior to 2.4.3 contain a Remote Code Execution vulnerability in the Forestry-to-Tina migration command. The internal helper addVariablesToCode unquotes any value matching the marker "TINAINTERNAL:::.?:::" inside the stringified...

CVE-2026-54074

Tina is a headless content management system. @tinacms/cli versions prior to 2.4.3 contain a Remote Code Execution vulnerability in the Forestry-to-Tina migration command. The internal helper addVariablesToCode unquotes any value matching the marker "TINAINTERNAL:::.?:::" inside the stringified...

CVE-2026-54074: Improper Control of Generation of Code

Tina is a headless content management system. @tinacms/cli versions prior to 2.4.3 contain a Remote Code Execution vulnerability in the Forestry-to-Tina migration command. The internal helper addVariablesToCode unquotes any value matching the marker "TINAINTERNAL:::.?:::" inside the stringified...

@tinacms/app (>=0.0.0-574b548-20260304015858, <=2.5.5), @tinacms/cli (>=0.0.0-1d830a0-20260128234746, <=2.5.0) +1 more potentially affected by CVE-2026-55660 via tinacms (>=3.0.0, <=3.9.2)

tinacms NPM version =3.0.0, =0.0.0-574b548-20260304015858, =0.0.0-1d830a0-20260128234746, =0.1.12, =0.2.14 Source cves: CVE-2026-55660 Source advisory: SNYK:JS-TINACMS-17420390...

@tinacms/app (>=0.0.0-574b548-20260304015858, <=2.5.5), @tinacms/cli (>=0.0.0-1d830a0-20260128234746, <=2.5.0) +1 more potentially affected by CVE-2026-55660 via tinacms (>=3.0.0, <=3.9.2)

tinacms NPM version =3.0.0, =0.0.0-574b548-20260304015858, =0.0.0-1d830a0-20260128234746, =0.1.12, =0.2.14 Source cves: CVE-2026-55660 Source advisory: OSV:GHSA-G5QX-H5F3-MP2F...

GHSA-4936-9HRH-QQPW @tinacms/cli: Remote Code Execution in @tinacms/cli via Forestry migration — unsanitised __TINA_INTERNAL__ marker in user-controlled YAML labels

Description Summary @tinacms/cli contains a Remote Code Execution vulnerability in its Forestry-to-Tina migration command. The internal helper addVariablesToCode unquotes any value matching the marker "TINAINTERNAL:::.?:::" inside the stringified collection JSON. User-supplied label and name fiel...

Arbitrary Code Injection

Overview @tinacms/cli is a package used to set up your project with Tina Cloud configuration, and run a local version of the Tina Cloud content-api. Affected versions of this package are vulnerable to Arbitrary Code Injection through the addVariablesToCode/makeFieldsWithInternalCode process in...

@tinacms/cli: Remote Code Execution in @tinacms/cli via Forestry migration — unsanitised __TINA_INTERNAL__ marker in user-controlled YAML labels

Description Summary @tinacms/cli contains a Remote Code Execution vulnerability in its Forestry-to-Tina migration command. The internal helper addVariablesToCode unquotes any value matching the marker "TINAINTERNAL:::.?:::" inside the stringified collection JSON. User-supplied label and name fiel...

@tinacms/app (>=0.0.0-574b548-20260304015858, <=2.5.5), @tinacms/cli (>=0.0.0-1d830a0-20260128234746, <=2.5.0) +1 more potentially affected by CVE-2026-55661 via tinacms (>=3.0.0, <=3.9.2)

tinacms NPM version =3.0.0, =0.0.0-574b548-20260304015858, =0.0.0-1d830a0-20260128234746, =0.1.12, =0.2.14 Source cves: CVE-2026-55661 Source advisory: SNYK:JS-TINACMS-17420373...

CVE-2026-34603: Improper Limitation of a Pathname to a Restricted Directory

Tina is a headless content management system. Prior to version 2.2.2, @tinacms/cli recently added lexical path-traversal checks to the dev media routes, but the implementation still validates only the path string and does not resolve symlink or junction targets. If a link already exists under the...

TinaCMS CLI has Arbitrary File Read via Disabled Vite Filesystem Restriction

Summary 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 Details When running tinacms dev, the CLI...

GHSA-M48G-4WR2-J2H6 TinaCMS CLI has Arbitrary File Read via Disabled Vite Filesystem Restriction

Summary 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 Details When running tinacms dev, the CLI...

Files or Directories Accessible to External Parties

Overview @tinacms/cli is a package used to set up your project with Tina Cloud configuration, and run a local version of the Tina Cloud content-api. Affected versions of this package are vulnerable to Files or Directories Accessible to External Parties via the dev server configuration when...