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Fortigate syslog message parser can be exploited to modify or delete fields from the original message

Fortigate syslog message parser can be exploited to modify or delete fields from the original message

CVE-2026-55841Published 1 week agoUpdated 1 week agoSource: OSV

Affected packages

  • org.graylog2:graylog2-serverbefore 6.3.12

Exploit signal

Known exploited (CISA KEV)
No
EPSS score
EPSS percentile

EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.

Fortigate syslog message parser can be exploited to modify or delete fields from the original message | HackTribune