CVE-2026-82089

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.52% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 44.2% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:C/RE:M/U:Green

NVD analysis status

Deferred. NVD last modified this record on 2026-09-09.

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 MO AGO

Last updated

2026-08-28 16:17Z2 MO 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

187bef2adcd0113a7652df0f61364d6d27c52607dddfdef7e0cc735aeffd58fd

• 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