CVE-2026-77166 (GCVE-0-2026-77166)
Vulnerability from cvelistv5
Published
2026-09-21 15:25
Modified
2026-09-21 18:43
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-840 - Business Logic Errors
Summary
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.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Nextcloud | Collectives |
Version: 3.2.1 ≤ 3.5.0 |
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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