Mattermost versions 9.11.x <= 9.11.0 and 9.5.x <= 9.5.8 fail to validate that the message of the permalink post is a string, which allows an attacker to send a non-string value as the message of a permalink post and crash the frontend.
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This low-severity CVE scores 3.1 under NVD CVSS v3. EPSS exploit probability: 0.5%, top 35% 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).
Mattermost versions 9.11.x <= 9.11.0 and 9.5.x <= 9.5.8 fail to validate that the message of the permalink post is a string, which allows an attacker to send a non-string value as the message of a permalink post and crash the frontend.
September 26, 2024
September 26, 2024
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| github.com/mattermost/mattermost-server | — | — | — |
| github.com/mattermost/mattermost-server/v5 | — | — | — |
| github.com/mattermost/mattermost-server/v6 | — | — | — |
| github.com/mattermost/mattermost/server/v8 | — | 8.0.0-20240806094731-69a8b3df0f9f | — |
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
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CWE-400