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...

GHSA-PWHX-CVV3-QJ5C 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...

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...

@tinacms/app (>=0.0.0-574b548-20260304015858, <=2.5.9), @tinacms/cli (>=0.0.0-1c89c44-20260716070024, <=2.5.5) +1 more potentially affected by CVE-2026-108261 via tinacms (>=3.0.0, <=3.12.1)

tinacms NPM version =3.0.0, =0.0.0-574b548-20260304015858, =0.0.0-1c89c44-20260716070024, =0.0.0-f48009e-20260825053141, =0.2.18 Source cves: CVE-2026-108261 Source advisory: GHSA-X34J-47HF-4XG7...

@tinacms/app (>=0.0.0-574b548-20260304015858, <=2.5.9), @tinacms/cli (>=0.0.0-1c89c44-20260716070024, <=2.5.5) +1 more potentially affected by CVE-2026-108261 via tinacms (>=3.0.0, <=3.12.1)

tinacms NPM version =3.0.0, =0.0.0-574b548-20260304015858, =0.0.0-1c89c44-20260716070024, =0.0.0-f48009e-20260825053141, =0.2.18 Source cves: CVE-2026-108261 Source advisory: OSV:GHSA-X34J-47HF-4XG7...

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 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...

PT-2026-109314

Name of the Vulnerable Software and Affected Versions @tinacms/cli versions prior to 3.0.0 Description @tinacms/cli fails to properly escape or encode Git branch values read from VERCEL GIT COMMIT REF, GITHUB BRANCH, or HEAD. These raw values are incorporated into the API URL and interpolated int...

CVE-2026-108259: Improper Control of Generation of Code

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: 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: OSV:GHSA-G5QX-H5F3-MP2F...

@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...

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...

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...