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LOW · 2.4

CVE-2026-77166

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.

Vulnerability 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.

CVSS Score

2.4

LOW

CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE

Related Weaknesses (CWE)

CWE-840

References

FAQ

What is CVE-2026-77166?

CVE-2026-77166 is a vulnerability with a CVSS score of 2.4 (LOW). 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.

How severe is CVE-2026-77166?

CVE-2026-77166 has been rated LOW with a CVSS base score of 2.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-77166?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.