CVE-2026-82089 Cross-site scripting in android-app
Attackers can execute arbitrary scripts in the wallabag Android app via XSS in the WebView loading API entries.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-82089?
CVE-2026-82089 is a high-severity cross-site scripting vulnerability in wallabag android-app, published on 28 Aug 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The wallabag (aka fr.gaulupeau.apps.InThePoche) application through 2.6.0 for Android allows XSS because /api/entries data is loaded into a WebView.
Weakness: CWE-79
Which versions are affected by CVE-2026-82089?
How do I fix CVE-2026-82089?
No fix has been published for CVE-2026-82089 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-2026-82089 being exploited?
There is no known exploitation of CVE-2026-82089 in the wild and no public exploit code.
Sources
Also known as GHSA-c6wm-f83x-r49p.