CVE-2025-11776

unknown

Published 2025-11-14 · Modified 2026-03-03

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

—

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS v4 NEW

—

not yet in upstream

VIR risk

—

Description

Mattermost fails to properly restrict access to archived channel search API in github.com/mattermost/mattermost

Predictions

Exploit likelihood

30%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Package impact

Ecosystem	Package	Vulnerable	Fixed
Go	github.com/mattermost/mattermost/server/v8	`<8.0.0-20250815165020-c8d66301415d`	`8.0.0-20250815165020-c8d66301415d`
Go	github.com/mattermost/mattermost	`<5.3.2-0.20250815165020-c8d66301415d`	`5.3.2-0.20250815165020-c8d66301415d`
Go	github.com/mattermost/mattermost-server	`<5.3.2-0.20250815165020-c8d66301415d`	`5.3.2-0.20250815165020-c8d66301415d`
Go	github.com/mattermost/mattermost-server/v5	`<5.3.2-0.20250815165020-c8d66301415d`	`5.3.2-0.20250815165020-c8d66301415d`
Go	github.com/mattermost/mattermost-server/v6	`<5.3.2-0.20250815165020-c8d66301415d`	`5.3.2-0.20250815165020-c8d66301415d`
Go	github.com/mattermost/mattermost
Go	github.com/mattermost/mattermost/v5
Go	github.com/mattermost/mattermost-server
Go	github.com/mattermost/mattermost-server/v5
Go	github.com/mattermost/mattermost-server/v6

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.