CVE-2026-82089

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

Not scored by EPSS

EPSS percentile

Not scored by EPSS

NVD base score

The NVD has published no score for this record

NVD CVSS vector

No NVD score to derive

NVD analysis status

Not recorded

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-08-28 03:14Z2 HR AGO

Last updated

2026-08-28 03:14Z2 HR AGO

Reserved

2026-08-28

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS 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

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.2

Document digest

66bc932eba4b741079ed522d9a1185c40f37de4f67ae55d6afd5695efb8ab6cd

• github.comAffected Source: ReadArticleActivity.java - WebView with JavaScript enabled renders unsanitized HTML contenthttps://github.com/wallabag/android-app/blob/master/app/src/main/java/fr/gaulupeau/apps/Poche/ui/ReadArticleActivity.java
• github.comAffected Source: ArticleUpdater.java - Article content stored in local database without sanitizationhttps://github.com/wallabag/android-app/blob/master/app/src/main/java/fr/gaulupeau/apps/Poche/service/workers/ArticleUpdater.java
• github.comAffected Source: ArticleAsFileDownloader.java - Binary passthrough of server-generated PDF/ePub containing unsanitized HTMLhttps://github.com/wallabag/android-app/blob/master/app/src/main/java/fr/gaulupeau/apps/Poche/service/workers/ArticleAsFileDownloader.java
• github.comAffected Source: StorageHelper.java - Export file written to external shared storage accessible to other applicationshttps://github.com/wallabag/android-app/blob/master/app/src/main/java/fr/gaulupeau/apps/Poche/data/StorageHelper.java
• github.comAffected Source: EventProcessor.java - FileProvider ACTION_VIEW handoff of unsanitized exported file to third-party applicationshttps://github.com/wallabag/android-app/blob/master/app/src/main/java/fr/gaulupeau/apps/Poche/events/EventProcessor.java
• github.comRelated server-side finding: GHSA-q2g2-www6-wf5h (Stored XSS, SSRF, Local File Read in wallabag server)https://github.com/wallabag/wallabag/security/advisories/GHSA-q2g2-www6-wf5h