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Medium severity5.5NVD Advisory· Published Jul 28, 2026· Updated Jul 29, 2026

CVE-2026-7521

CVE-2026-7521

Description

Mattermost versions 11.8.x <= 11.8.0, 11.7.x <= 11.7.3, 11.6.x <= 11.6.5, 10.11.x <= 10.11.20 fail to verify file deletion path which allows an admin with SAML system-console write permissions to delete arbitrary files outside the config directory from the server via the remove file endpoint.. Mattermost Advisory ID: MMSA-2026-00666

AI Insight

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

Affected products

2
  • Mattermost/Mattermostllm-fuzzy2 versions
    <=11.8.0, <=11.7.3, <=11.6.5, <=10.11.20+ 1 more
    • (no CPE)range: <=11.8.0, <=11.7.3, <=11.6.5, <=10.11.20
    • cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*range: >=10.11.0,<10.11.21

Patches

Vulnerability mechanics

References

1

News mentions

0

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