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Unrated severityNVD Advisory· Published Mar 16, 2026· Updated Mar 17, 2026

Permalink Preview Information Disclosure After Permission Revocation

CVE-2026-1629

Description

Mattermost versions 10.11.x <= 10.11.10 Fail to invalidate cached permalink preview data when a user loses channel access which allows the user to continue viewing private channel content via previously cached permalink previews until cache reset or relogin.. Mattermost Advisory ID: MMSA-2026-00580

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Mattermost/Mattermostllm-fuzzy2 versions
    <= 10.11.10+ 1 more
    • (no CPE)range: <= 10.11.10
    • (no CPE)range: 10.11.0

Patches

Vulnerability mechanics

References

1

News mentions

0

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