What’s Vulnerable › Vulnerabilities
CVE-2026-77166
- Severity: low (CVSS 2.4 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-21 · updated 2026-09-22
- Weakness: CWE-840
Description
The emoji field in the page emoji update endpoint does not properly validate user input. By injecting long text and line breaks, the sidebar layout becomes broken and can hide other items.
Affected products
- Nextcloud Collectives: from 3.2.1 through 3.5.0
References
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