CVE-2026-40168 Postiz has Server-Side Request Forgery via Redirect Bypass in /api/public/stream

Postiz is an AI social media scheduling tool. Prior to 2.21.5, the /api/public/stream endpoint is vulnerable to SSRF. Although the application validates the initially supplied URL and blocks direct private/internal hosts, it does not re-validate the final destination after HTTP redirects. As a...

CVE-2026-40168 Postiz has Server-Side Request Forgery via Redirect Bypass in /api/public/stream

Postiz is an AI social media scheduling tool. Prior to 2.21.5, the /api/public/stream endpoint is vulnerable to SSRF. Although the application validates the initially supplied URL and blocks direct private/internal hosts, it does not re-validate the final destination after HTTP redirects. As a...

CVE-2026-40168

Postiz is an AI social media scheduling tool. Prior to 2.21.5, the /api/public/stream endpoint is vulnerable to SSRF. Although the application validates the initially supplied URL and blocks direct private/internal hosts, it does not re-validate the final destination after HTTP redirects. As a...

CVE-2026-40168 Postiz has Server-Side Request Forgery via Redirect Bypass in /api/public/stream

Postiz is an AI social media scheduling tool. Prior to 2.21.5, the /api/public/stream endpoint is vulnerable to SSRF. Although the application validates the initially supplied URL and blocks direct private/internal hosts, it does not re-validate the final destination after HTTP redirects. As a...

CVE-2026-40168: Server-Side Request Forgery (SSRF)

Postiz is an AI social media scheduling tool. Prior to 2.21.5, the /api/public/stream endpoint is vulnerable to SSRF. Although the application validates the initially supplied URL and blocks direct private/internal hosts, it does not re-validate the final destination after HTTP redirects. As a...

Gitroom Postiz 代码问题漏洞

Gitroom Postiz is an open-source social media scheduling tool developed by Gitroom. Versions of Gitroom Postiz prior to 2.21.5 contained code vulnerabilities. These vulnerabilities stemmed from a server-side request forgeing vulnerability present in the/api/public/stream endpoint. The application...

CVE-2026-34576

Postiz is an AI social media scheduling tool. Prior to version 2.21.3, the POST /public/v1/upload-from-url endpoint accepts a user-supplied URL and fetches it server-side using axios.get with no SSRF protections. The only validation is a file extension check .png, .jpg, etc. which is trivially...

CVE-2026-34590

Postiz is an AI social media scheduling tool. Prior to version 2.21.4, the POST /webhooks/ endpoint for creating webhooks uses WebhooksDto which validates the url field with only @IsUrl format check, missing the @IsSafeWebhookUrl validator that blocks internal/private network addresses. The updat...

CVE-2026-34590 Postiz: SSRF via Webhook Creation Endpoint Missing URL Safety Validation

Postiz is an AI social media scheduling tool. Prior to version 2.21.4, the POST /webhooks/ endpoint for creating webhooks uses WebhooksDto which validates the url field with only @IsUrl format check, missing the @IsSafeWebhookUrl validator that blocks internal/private network addresses. The updat...

CVE-2026-34577 Postiz: Unauthenticated Full-Read SSRF via /public/stream Endpoint with Trivially Bypassable Extension Check

Postiz is an AI social media scheduling tool. Prior to version 2.21.3, the GET /public/stream endpoint in PublicController accepts a user-supplied url query parameter and proxies the full HTTP response back to the caller. The only validation is url.endsWith'mp4', which is trivially bypassable by...

CVE-2026-34577

Postiz (AI social media scheduling) before version 2.21.3 was vulnerable to an unauthenticated SSRF via GET /public/stream. The endpoint proxies a user-supplied url parameter and only validates url.endsWith('mp4'), which is trivially bypassed by appending .mp4 in the parameter or URL fragment, al...

CVE-2026-34577 Postiz: Unauthenticated Full-Read SSRF via /public/stream Endpoint with Trivially Bypassable Extension Check

Postiz is an AI social media scheduling tool. Prior to version 2.21.3, the GET /public/stream endpoint in PublicController accepts a user-supplied url query parameter and proxies the full HTTP response back to the caller. The only validation is url.endsWith'mp4', which is trivially bypassable by...

CVE-2026-34576

Postiz is an AI social media scheduling tool. Prior to version 2.21.3, the POST /public/v1/upload-from-url endpoint accepts a user-supplied URL and fetches it server-side using axios.get with no SSRF protections. The only validation is a file extension check .png, .jpg, etc. which is trivially...

CVE-2026-34576 Postiz: SSRF in upload-from-url endpoint allows fetching internal resources and cloud metadata

Postiz is an AI social media scheduling tool. Prior to version 2.21.3, the POST /public/v1/upload-from-url endpoint accepts a user-supplied URL and fetches it server-side using axios.get with no SSRF protections. The only validation is a file extension check .png, .jpg, etc. which is trivially...

CVE-2026-34576

Postiz (AI social media scheduling tool) has a SSRF vulnerability in the POST /public/v1/upload-from-url endpoint prior to version 2.21.3. An authenticated API user can supply a URL, which is fetched server-side via axios.get() without SSRF protections; only file-extension validation exists (e.g....

CVE-2026-34576 Postiz: SSRF in upload-from-url endpoint allows fetching internal resources and cloud metadata

Postiz is an AI social media scheduling tool. Prior to version 2.21.3, the POST /public/v1/upload-from-url endpoint accepts a user-supplied URL and fetches it server-side using axios.get with no SSRF protections. The only validation is a file extension check .png, .jpg, etc. which is trivially...

CVE-2026-34576 Postiz: SSRF in upload-from-url endpoint allows fetching internal resources and cloud metadata

Postiz is an AI social media scheduling tool. Prior to version 2.21.3, the POST /public/v1/upload-from-url endpoint accepts a user-supplied URL and fetches it server-side using axios.get with no SSRF protections. The only validation is a file extension check .png, .jpg, etc. which is trivially...

CVE-2026-34576: Server-Side Request Forgery (SSRF)

Postiz is an AI social media scheduling tool. Prior to version 2.21.3, the POST /public/v1/upload-from-url endpoint accepts a user-supplied URL and fetches it server-side using axios.get with no SSRF protections. The only validation is a file extension check .png, .jpg, etc. which is trivially...

CVE-2026-34577: Server-Side Request Forgery (SSRF)

Postiz is an AI social media scheduling tool. Prior to version 2.21.3, the GET /public/stream endpoint in PublicController accepts a user-supplied url query parameter and proxies the full HTTP response back to the caller. The only validation is url.endsWith'mp4', which is trivially bypassable by...

Gitroom Postiz 代码问题漏洞

Gitroom Postiz is an open-source social media scheduling tool developed by Gitroom. Versions of Gitroom Postiz prior to 2.21.3 contained code vulnerabilities. These vulnerabilities stemmed from the lack of server-side request forgery protection in the POST /public/v1/upload-from-url endpoint, whi...