CVE-2026-108261 TinaCMS admin preview iframe loads an attacker-controlled origin from the URL fragment

Tina is a headless content management system. Prior to tinacms 3.14.0 and @tinacms/app 2.5.14, the // admin preview route in packages/tinacms/src/admin/index.tsx can turn an attacker-controlled hash-router splat into an off-origin iframe URL through packages/@tinacms/app/src/preview.tsx, while...

EUVD-2026-95990

Tina is a headless content management system. Prior to tinacms 3.14.0 and @tinacms/app 2.5.14, the // admin preview route in packages/tinacms/src/admin/index.tsx can turn an attacker-controlled hash-router splat into an off-origin iframe URL through packages/@tinacms/app/src/preview.tsx, while...

CVE-2026-108261

Tina, a headless content management system, is vulnerable to an origin validation error in versions prior to tinacms 3.14.0 and @tinacms/app 2.5.14 . The vulnerability exists because the /~/* admin preview route can convert an attacker-controlled hash-router splat into an off-origin iframe URL vi...

CVE-2026-108261 TinaCMS admin preview iframe loads an attacker-controlled origin from the URL fragment

Tina is a headless content management system. Prior to tinacms 3.14.0 and @tinacms/app 2.5.14, the // admin preview route in packages/tinacms/src/admin/index.tsx can turn an attacker-controlled hash-router splat into an off-origin iframe URL through packages/@tinacms/app/src/preview.tsx, while...

CVE-2026-108261 TinaCMS admin preview iframe loads an attacker-controlled origin from the URL fragment

Tina is a headless content management system. Prior to tinacms 3.14.0 and @tinacms/app 2.5.14, the // admin preview route in packages/tinacms/src/admin/index.tsx can turn an attacker-controlled hash-router splat into an off-origin iframe URL through packages/@tinacms/app/src/preview.tsx, while...

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...

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 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 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-2026-107850

The Contao Open Source CMS is vulnerable to improper access control in the preview links module from versions 5.7.1 until 5.7.12 . The root cause is a configuration error in core-bundle/config/services.yaml, where the preview access voter is registered under an incorrect class name. This causes S...

EUVD-2026-95980

Contao is an Open Source CMS. From version 5.7.1 until 5.7.12, core-bundle/config/services.yaml registers the preview access voter as Contao\CoreBundle\Security\Voter\DataContainer\PreviewAccessVoter although the shipped class is PreviewVoter. Symfony therefore omits voter autoconfiguration and...

CVE-2026-107850 Contao: Improper access control in the preview links module

Contao is an Open Source CMS. From version 5.7.1 until 5.7.12, core-bundle/config/services.yaml registers the preview access voter as Contao\CoreBundle\Security\Voter\DataContainer\PreviewAccessVoter although the shipped class is PreviewVoter. Symfony therefore omits voter autoconfiguration and...

CVE-2026-107850 Contao: Improper access control in the preview links module

Contao is an Open Source CMS. From version 5.7.1 until 5.7.12, core-bundle/config/services.yaml registers the preview access voter as Contao\CoreBundle\Security\Voter\DataContainer\PreviewAccessVoter although the shipped class is PreviewVoter. Symfony therefore omits voter autoconfiguration and...

CVE-2026-107850 Contao: Improper access control in the preview links module

Contao is an Open Source CMS. From version 5.7.1 until 5.7.12, core-bundle/config/services.yaml registers the preview access voter as Contao\CoreBundle\Security\Voter\DataContainer\PreviewAccessVoter although the shipped class is PreviewVoter. Symfony therefore omits voter autoconfiguration and...

CVE-2026-96394

The Affinity by Canva application for macOS before 3.3.1 October 2026 release did not validate image dimensions against the size of the pixel data when generating QuickLook thumbnails and previews of Affinity document files, leading to an out-of-bounds heap read. A threat actor could craft an...

PT-2026-109138

Ghost versions from 2.5.0 before 6.34.0 contain an untrusted script execution vulnerability in the oEmbed preview feature that fails to sandbox externally hosted scripts. Attackers can craft malicious oEmbed content to execute scripts in the context of a staff user's admin session, potentially...

PT-2026-109316

Name of the Vulnerable Software and Affected Versions tinacms versions prior to 3.14.0 @tinacms/app versions prior to 2.5.14 Description An origin validation error in the admin preview route allows an unauthenticated attacker to perform a confused-deputy attack against the content API. By sending...

CVE-2026-108261: Origin Validation Error

Tina is a headless content management system. Prior to tinacms 3.14.0 and @tinacms/app 2.5.14, the // admin preview route in packages/tinacms/src/admin/index.tsx can turn an attacker-controlled hash-router splat into an off-origin iframe URL through packages/@tinacms/app/src/preview.tsx, while...

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...