Vulnerability · Published May 8, 2025 · Assigned by mitre
CVE-2025-26844
Critical 9.8
In plain English
A critical-severity security flaw in the znuny package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.4%top 62.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An issue was discovered in Znuny through 7.1.3. A cookie is set without the HttpOnly flag.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | znuny | no fix listed | DEBIAN-CVE-2025-26844 |
| Debian:13 | znuny | 6.5.13-1 | DEBIAN-CVE-2025-26844 |
| Debian:14 | znuny | 6.5.13-1 | DEBIAN-CVE-2025-26844 |
| Ubuntu:24.04:LTS | znuny | no fix listed | UBUNTU-CVE-2025-26844 |
Affected products (as reported)
Weakness: CWE-1004 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H