High severity · published May 12, 2026
CVE-2026-30808
Session Fixation in Authentication leads to Session Hijacking
8.1
CVSS
0.3%
EPSS
No
On KEV
Description
Session Fixation vulnerability allows Session Hijacking via crafted session ID. This issue affects Pandora FMS: from 777 through 800
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PF
Pandora FMS · Pandora FMS
777 through 800 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-30808
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-30808
Vendor Advisory
https://pandorafms.com/en/security/common-vulnerabilities-and-exposures/
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