CVE-2026-55556: rsyslog imhttp Basic Auth heap overflow
Published Jun 23, 2026
·Updated
Affected Software
1 affected component
rsyslog rsyslog imhttp
Frequently Asked Questions
1
What is the severity of CVE-2026-55556?
CVE-2026-55556 is classified as a high severity vulnerability due to its potential for remote code execution.
2
How do I fix CVE-2026-55556?
To fix CVE-2026-55556, update your rsyslog software to the latest version that contains the security patch.
3
What impact does CVE-2026-55556 have on systems running rsyslog imhttp?
CVE-2026-55556 can lead to a heap overflow, allowing attackers to execute arbitrary code on affected systems.
4
Is CVE-2026-55556 exploitable over the network?
Yes, CVE-2026-55556 can be exploited remotely due to vulnerable configurations of the rsyslog imhttp module.
5
When was CVE-2026-55556 published?
CVE-2026-55556 was published on June 23, 2026.