CVE-2026-9566 teableio teable Sign-up LoginPage.tsx cross site scripting
Remote attackers can execute arbitrary scripts via the login redirect parameter, potentially compromising user accounts.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-9566?
CVE-2026-9566 is a medium-severity cross-site scripting vulnerability in teableio teable, published on 26 May 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability was identified in teableio teable up to 1.9.x. This impacts an unknown function of the file apps/nextjs-app/src/features/auth/pages/LoginPage.tsx of the component Sign-up. The manipulation of the argument redirect leads to cross site scripting. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. Upgrading to version release.2026-04-21T08-57-20Z.1513 will fix this issue. The affected component should be upgraded. The vendor confirms: "The default branch of teableio/teable is develop, and the reported login redirect issue has already been fixed there. The login redirect flow now validates the redirect parameter with isValidRedirectPath() before navigation, which blocks javascript:, data:, and cross-origin redirects."
Which versions are affected by CVE-2026-9566?
How do I fix CVE-2026-9566?
No fix has been published for CVE-2026-9566 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-9566 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9566 exists.
Sources
Also known as GHSA-6mmc-c65c-3cjp.