Red Hat Security Advisory: mrtg security update
Affects Red Hat mrtgSource GCVE Database
Not known to be exploited · CVSS 7.1 High : upgrade the Red Hat redhat/mrtg package to 8.6.1 soon.
Data as of 29 Oct 2026, 10:37 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.
- Patch
- Available – fixed in 8.6.1
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 29 Oct 2026.
What to do
Upgrade the Red Hat redhat/mrtg package to 8.6.1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Red Hatredhat/mrtgpkg:rpm/redhat/mrtgOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Red Hat has released a security update for MRTG in Red Hat Enterprise Linux 8.6 Extended Life Cycle Long Life and AUS variants. Applying this update will remediate the vulnerability. Refer to Red Hat's official advisory and update instructions at https://access.redhat.com/articles/11258 for detailed guidance.
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 and escalate privileges on affected Red Hat Enterprise Linux 8.6 systems. Red Hat has issued a security update to address this issue.