What is CVE-2025-26844?

CVE-2025-26844 is a critical-severity vulnerability in Znuny, classified under Sensitive Cookie Without 'HttpOnly' Flag. CVSS score: 9.8/10. Published 2025-05-08.

How severe is CVE-2025-26844?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Znuny

CVE-2025-26844

An issue was discovered in Znuny through 7.1.3. A cookie is set without the HttpOnly flag.

EPSS: 0.004 (28.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Znuny
N/a — versions n/a

Weakness classification (CWE)

CWE-1004 — Sensitive Cookie Without 'HttpOnly' Flag

References

cve@mitre.org (Product)
cve@mitre.org (Vendor Advisory)

Frequently asked questions

What is CVE-2025-26844?: CVE-2025-26844 is a critical-severity vulnerability in Znuny, classified under Sensitive Cookie Without 'HttpOnly' Flag. CVSS score: 9.8/10. Published 2025-05-08.
How severe is CVE-2025-26844?: Critical severity. CVSS v3 base score is 9.8 out of 10.