A vulnerability has been found in WeKan up to 8.20. The impacted element is an unknown function of the file server/attachmentMigration.js of the component Attachment Migration. The manipulation leads to improper access controls. The attack may be initiated remotely. Upgrading to version 8.21 is sufficient to resolve this issue. The identifier of the patch is 053bf1dfb76ef230db162c64a6ed50ebedf67eee. It is recommended to upgrade the affected component.
CVE-2026-1962
This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 75% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EG Risk
- 44(Track)EG Risk 44/100SSVC: 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 computedSeverity98% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 27%
- KEV
- Not listed
Published
February 5, 2026
Last Modified
June 17, 2026
Advisory Details (3)
Auto-updated Sep 14, 2026v8.21
Patch available: wekan/wekan v8.21
https://github.com/wekan/wekan/releases/tag/v8.21commit 053bf1dfb76e (wekan/wekan)
Fix landed in wekan/wekan commit 053bf1dfb76e — awaiting tagged release
https://github.com/wekan/wekan/commit/053bf1dfb76ef230db162c64a6ed50ebedf67eeeGitHub - wekan/wekan: The Open Source kanban, built with Meteor. GitHub issues/PRs are only for FLOSS Developers, not for support, support is at https://wekan.fi/commercial-support/ . PR source translation to imports/i18n/data/en.i18n.json, other translations at https://app.transifex.com/wekan/wekan . No telemetry. · GitHub
https://github.com/wekan/wekan/Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 5× in last 7d / 25× 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.
Showing the most recent 100 of 166 total refreshes for this CVE.
- 2026-09-19 16:03 UTCOSV refresh
- 2026-09-18 19:27 UTCEPSS rescore
- 2026-09-16 14:07 UTCEPSS rescore
- 2026-09-16 05:14 UTCEPSS rescore
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- 2026-08-31 19:34 UTCOSV refresh
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- 2026-08-20 22:55 UTCEPSS rescore
- 2026-08-19 17:03 UTCEPSS rescore
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- 2026-08-15 01:30 UTCEPSS rescore
- 2026-08-14 22:53 UTCGHSA enrichment
- 2026-08-14 14:53 UTCGHSA enrichment
- 2026-08-14 11:03 UTCEG score recompute
- 2026-08-14 11:03 UTCGHSA enrichment
- 2026-08-13 22:00 UTCEPSS rescore
- 2026-08-13 03:23 UTCEG score recompute
- 2026-08-13 03:23 UTCGHSA enrichment
- 2026-08-12 13:50 UTCEPSS rescore
- 2026-08-11 13:42 UTCEPSS rescore
- 2026-08-11 00:00 UTCEPSS rescore
- 2026-08-10 09:55 UTCGHSA enrichment
- 2026-08-10 03:14 UTCGHSA enrichment
- 2026-08-09 23:23 UTCGHSA enrichment
- 2026-08-09 19:33 UTCGHSA enrichment
- 2026-08-09 15:43 UTCEG score recompute
- 2026-08-09 15:43 UTCGHSA enrichment
- 2026-08-09 13:46 UTCEPSS rescore
- 2026-08-08 16:37 UTCEPSS rescore
- 2026-08-08 10:17 UTCGHSA enrichment
- 2026-08-08 06:27 UTCGHSA enrichment
- 2026-08-08 02:36 UTCGHSA enrichment
- 2026-08-07 22:41 UTCEG score recompute
- 2026-08-07 22:41 UTCGHSA enrichment
- 2026-08-06 13:46 UTCEPSS rescore
- 2026-08-06 08:32 UTCGHSA enrichment
- 2026-08-06 04:18 UTCEG score recompute
- 2026-08-06 04:18 UTCGHSA enrichment
- 2026-08-05 19:17 UTCEPSS rescore
- 2026-08-04 15:10 UTCEPSS rescore
- 2026-08-04 10:38 UTCEPSS rescore
- 2026-08-03 10:35 UTCEPSS rescore
- 2026-08-03 01:55 UTCGHSA enrichment
- 2026-08-02 21:20 UTCEG score recompute▲ 3.50
- 2026-08-02 21:20 UTCGHSA enrichment
- 2026-08-02 02:26 UTCEPSS rescore
- 2026-08-01 04:15 UTCEPSS rescore
- 2026-07-30 01:30 UTCEPSS rescore
- 2026-07-27 14:13 UTCEPSS rescore
- 2026-07-26 14:54 UTCEPSS rescore
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- 2026-07-25 14:17 UTCEPSS rescore
- 2026-07-25 14:17 UTCEPSS rescore
- 2026-07-24 14:17 UTCEPSS rescore
- 2026-07-23 14:18 UTCEPSS rescore
- 2026-07-23 14:18 UTCEPSS rescore
- 2026-07-23 03:06 UTCEG score recompute
- 2026-07-22 14:08 UTCEPSS rescore
- 2026-07-20 17:08 UTCEPSS rescore
- 2026-07-19 14:31 UTCEPSS rescore
- 2026-07-19 14:31 UTCEPSS rescore
- 2026-07-19 02:29 UTCEPSS rescore
- 2026-07-19 02:28 UTCEPSS rescore
- 2026-07-18 10:04 UTCEPSS rescore
- 2026-07-18 10:04 UTCEPSS rescore
- 2026-07-17 19:29 UTCOSV refresh
- 2026-07-16 17:03 UTCEPSS rescore
- 2026-07-16 17:03 UTCEPSS rescore
- 2026-07-15 16:57 UTCEPSS rescore
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- 2026-07-12 05:46 UTCEPSS rescore
- 2026-07-11 08:27 UTCEPSS rescore
- 2026-07-09 19:10 UTCEPSS rescore
Related CVEs(same CWE)
Same CWE
10 shownCWE-284
Frequently asked(5)
What is CVE-2026-1962?
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What is the CVSS score of CVE-2026-1962?
How do I remediate CVE-2026-1962?
Dependency Blast Radius
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