CVE-2026-77506

Znuny before LTS 6.5.22 allows AgentTicketEmailResend template XSS.

CVSS 3.1

4.8CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 15% of CVEs (scores of 2026-10-25)

CWE

CWE-79

Published

2026-08-20

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

References

• https://www.znuny.org/en/advisories/zsa-2026-12

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