Unrated severityNVD Advisory· Published Jun 22, 2026· Updated Jun 22, 2026
IDOR in Jira plugin subscription edit endpoint
CVE-2026-6062
Description
Mattermost versions 11.7.x <= 11.7.0, 11.6.x <= 11.6.2, 11.5.x <= 11.5.5, 10.11.x <= 10.11.17 Fail to validate channel ownership of an existing subscription before applying edits which allows an authenticated attacker to hijack subscriptions from channels they have no access to via a crafted PUT request to the subscription edit endpoint.. Mattermost Advisory ID: MMSA-2026-00650
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <=11.7.0, <=11.6.2, <=11.5.5, <=10.11.17
Patches
Vulnerability mechanics
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References
1- mattermost.com/security-updatesmitrevendor-advisory
News mentions
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