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 29 Oct 2026, 07:25 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 7.1 |
|---|
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
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 29 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 8.6 Advanced Mission Critical Update Supportmrtg | Affected– | Fixed in– |
| Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-Onmrtg | Affected– | Fixed in– |
| Red Hat Enterprise Linux 9mrtg | Affected– | Fixed in– |
AI-suggested
Red Hat has released an official security update for MRTG in Red Hat Enterprise Linux 9 and its extended update support versions that addresses this vulnerability. Users should apply the MRTG update as described in Red Hat advisory RHSA-2026:57600 and the related article https://access.redhat.com/articles/11258 to remediate this issue.
Description
A local privilege escalation vulnerability exists in the Multi Router Traffic Grapher (MRTG) daemon due to symlink-following chown operations on the PID file path. This flaw allows a local attacker to manipulate the PID file path to escalate privileges. Red Hat has issued a security update addressing this issue in MRTG for Red Hat Enterprise Linux 9 and related variants.