Vulnerability · Published Aug 28, 2026 · Assigned by mitre
CVE-2026-82089
High 8.8
In plain English
A high-severity cross-site scripting in android-app from wallabag. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).
Severity (CVSS 4.0)8.8High
Exploit odds (30 days)0.5%top 55.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| wallabag | android-app | 0 – through 2.6.0 |
Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/AU:Y/R:U/V:C/RE:M/U:Green
References
- Affected Source: ReadArticleActivity.java - WebView with JavaScript enabled renders unsanitized HTML content
- Affected Source: ArticleUpdater.java - Article content stored in local database without sanitization
- Affected Source: ArticleAsFileDownloader.java - Binary passthrough of server-generated PDF/ePub containing unsanitized HTML
- Affected Source: StorageHelper.java - Export file written to external shared storage accessible to other applications
- Affected Source: EventProcessor.java - FileProvider ACTION_VIEW handoff of unsanitized exported file to third-party applications
- Related server-side finding: GHSA-q2g2-www6-wf5h (Stored XSS, SSRF, Local File Read in wallabag server)