Vikunja 0.22.0 before 2.7.0 contains an improper access revocation vulnerability that allows removed collaborators to keep receiving project data through webhooks they created. Former collaborators keep receiving task titles and descriptions through their webhook, including content created after their access was revoked.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
go-vikunja vikunja unaffected
Version Status Constraints
0.22.0 affected < 2.7.0
2.7.0 unaffected —

No data.

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Project Subscriptions

Vendors Products
Vikunja Subscribe
Vikunja Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/go-vikunja/vikunja/security/advisories/GHSA-hjx8-qv73-f7cm cve-icon cve-icon
https://www.vulncheck.com/advisories/vikunja-0.22.0-before-2.7.0-improper-access-revocation-via-webhooks cve-icon cve-icon
History

Sat, 17 Oct 2026 19:00:00 +0000

Type Values Removed Values Added
Description Vikunja 0.22.0 before 2.7.0 contains an improper access revocation vulnerability that allows removed collaborators to keep receiving project data through webhooks they created. Former collaborators keep receiving task titles and descriptions through their webhook, including content created after their access was revoked.
Title Vikunja 0.22.0 before 2.7.0 Improper Access Revocation via Webhooks
First Time appeared Vikunja
Vikunja vikunja
Weaknesses CWE-613
CPEs cpe:2.3:a:vikunja:vikunja:*:*:*:*:*:*:*:*
Vendors & Products Vikunja
Vikunja vikunja
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-17T18:46:33.951Z

Reserved: 2026-10-17T12:18:55.463Z

Link: CVE-2026-111919

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-17T19:16:34.543

Modified: 2026-10-17T19:16:34.543

Link: CVE-2026-111919

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses