Red Hat Security Advisory: mrtg security update
Affects Red Hat mrtgSource GCVE Database
Not known to be exploited · CVSS 7.1 High.
Data as of 30 Oct 2026, 22:58 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 7.1 |
|---|
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 11 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 10mrtg | Affected– | Fixed in– |
| Red Hat Enterprise Linux 10.0 Extended Update Supportmrtg | Affected– | Fixed in– |
| Red Hat Enterprise Linux 8mrtg | Affected– | Fixed in– |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Supportmrtg | Affected– | Fixed in– |
| Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-Onmrtg | Affected– | Fixed in– |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Supportmrtg | Affected– | Fixed in– |
AI-suggested
Red Hat has released an official security update for MRTG in Red Hat Enterprise Linux 9.2 that addresses this vulnerability. Users should apply the update mrtg-2.17.7-10.el9_2.1 or later as provided by Red Hat to remediate this issue. Refer to Red Hat's official article https://access.redhat.com/articles/11258 for update instructions. No additional mitigation steps are required beyond applying the vendor-provided patch.
Description
A security vulnerability in the Multi Router Traffic Grapher (MRTG) daemon allows local privilege escalation via symlink-following chown operations on the PID file path. This flaw enables a local attacker to manipulate the PID file path and escalate privileges on affected Red Hat Enterprise Linux 9.2 systems. Red Hat has issued a security update to address this issue.