CVE-2025-55074
Channel member objects leak read status
Description
Mattermost allows other users to determine when users had read channels via channel member objects
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:HAttack ComplexityHigh
PR:LPrivileges RequiredLow
UI:RUser InteractionRequired
Scope
S:CScopeChanged
Impact
C:LConfidentialityLow
I:NIntegrityNone
A:NAvailabilityNone
Weaknesses
Affected Products
Go
package-ecosystem
Mattermost Inc
commercial·USaka mattermost
Exploitability
Official Patch Available
References
https://nvd.nist.gov/vuln/detail/CVE-2025-55074
nvd.nist.gov
https://github.com/mattermost/mattermost/pull/33835
github.com
https://github.com/mattermost/mattermost/pull/33905
github.com
and 7 more references View all →
Unlock Complete Vulnerability Intelligence
Get the full picture for CVE-2025-55074 and every CVE in our database. Create a free account — no credit card required.
Create Free AccountPlain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows