Mattermost fails to properly restrict the access of files attached to posts in an archived channel, resulting in members being able to access files of archived channels even if the “Allow users to view archived channels” option is disabled.
CVE-2024-23488
This low-severity CVE scores 3.1 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 59% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 3.1
- EG Score
- 3.1(medium)
- EPSS
- 23.6%
- KEV
- Not listed
Published
February 29, 2024
Last Modified
May 12, 2025
References (2)
- responsibledisclosure@mattermosthttps://mattermost.com/security-updates
- af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates
Affected Packages
(4 across 1 ecosystem)
Go(4)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| github.com/mattermost/mattermost-server | — | 9.4.2+incompatible | — |
| github.com/mattermost/mattermost-server/v5 | — | — | — |
| github.com/mattermost/mattermost-server/v6 | — | — | — |
| github.com/mattermost/mattermost/server/v8 | — | — | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 47× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 103 total refreshes for this CVE.
- 2026-07-22 14:07 UTCEPSS rescore
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Related CVEs(same CWE)
Same CWE
10 shownCWE-284
Frequently asked(5)
What is CVE-2024-23488?
When was CVE-2024-23488 disclosed?
Is CVE-2024-23488 actively exploited?
What is the CVSS score of CVE-2024-23488?
How do I remediate CVE-2024-23488?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-23488
Is Your Infrastructure Affected by CVE-2024-23488?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.