CVE-2026-82089

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.8 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 75% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 4 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
25%
KEV
Not listed

Published

August 28, 2026

Last Modified

August 28, 2026

Advisory Details (5)

Auto-updated Aug 28, 2026
No patch confirmed yet.
generic

android-app/app/src/main/java/fr/gaulupeau/apps/Poche/events/EventProcessor.java at master · wallabag/android-app · GitHub

https://github.com/wallabag/android-app/blob/master/app/src/main/java/fr/gaulupeau/apps/Poche/events/EventProcessor.java
generic

android-app/app/src/main/java/fr/gaulupeau/apps/Poche/data/StorageHelper.java at master · wallabag/android-app · GitHub

https://github.com/wallabag/android-app/blob/master/app/src/main/java/fr/gaulupeau/apps/Poche/data/StorageHelper.java
generic

android-app/app/src/main/java/fr/gaulupeau/apps/Poche/service/workers/ArticleAsFileDownloader.java at master · wallabag/android-app · GitHub

https://github.com/wallabag/android-app/blob/master/app/src/main/java/fr/gaulupeau/apps/Poche/service/workers/ArticleAsFileDownloader.java
generic

android-app/app/src/main/java/fr/gaulupeau/apps/Poche/service/workers/ArticleUpdater.java at master · wallabag/android-app · GitHub

https://github.com/wallabag/android-app/blob/master/app/src/main/java/fr/gaulupeau/apps/Poche/service/workers/ArticleUpdater.java
generic

android-app/app/src/main/java/fr/gaulupeau/apps/Poche/ui/ReadArticleActivity.java at master · wallabag/android-app · GitHub

https://github.com/wallabag/android-app/blob/master/app/src/main/java/fr/gaulupeau/apps/Poche/ui/ReadArticleActivity.java

Vendor Advisories for CVE-2026-82089(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 11× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-08-30 01:22 UTCEPSS rescore
  2. 2026-08-29 22:27 UTCGHSA enrichment
  3. 2026-08-29 09:29 UTCEG score recompute
  4. 2026-08-29 09:29 UTCGHSA enrichment
  5. 2026-08-28 21:42 UTCEPSS rescore
  6. 2026-08-28 20:30 UTCEG score recompute
  7. 2026-08-28 20:30 UTCGHSA enrichment
  8. 2026-08-28 18:26 UTCGHSA enrichment
  9. 2026-08-28 05:24 UTCEG score recompute
  10. 2026-08-28 04:59 UTCEG score recompute
  11. 2026-08-28 04:57 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-82089?
CVE-2026-82089 is a high vulnerability published on August 28, 2026. 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.
When was CVE-2026-82089 disclosed?
CVE-2026-82089 was first published in the National Vulnerability Database on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-82089 actively exploited?
CVE-2026-82089 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 74.9% of all scored CVEs.
What is the CVSS score of CVE-2026-82089?
CVE-2026-82089 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-82089?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-82089, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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