CVE-2021-37760

CRITICAL 9.8CVE-2021-37760 · Published 31/07/2021 · updated 17/06/2026

In short

CVE-2021-37760 is a CRITICAL (CVSS 9.8) vulnerability affecting graylog (graylog).
Chance of exploitation in the next 30 days (EPSS): 1.3%, higher than 70.2% of all vulnerabilities.
Fix: update to 4.1.2 or later.

Package	Affected versions	Patched versions
graylog graylog	`≥ 2.1.1, < 4.1.2`	`4.1.2`

A Session ID leak in the audit log in Graylog before 4.1.2 allows attackers to escalate privileges (to the access level of the leaked session ID).

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Package

Affected versions

Patched versions

≥ 2.1.1, < 4.1.2

4.1.2

More vulnerabilities in graylog

See all →