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 8.10.1 soon.
Data as of 26 Oct 2026, 14:05 UTC
- 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 8.10.1
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
Weaponised: 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 26 Oct 2026.
What to do
Upgrade the Red Hat redhat/mrtg package to 8.10.1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Red Hatredhat/mrtgpkg:rpm/redhat/mrtgOther threats | Affected
| Fixed in
|
Ubuntu 16.04 LTSmrtgpkg:deb/ubuntu/mrtg?arch=source&distro=xenialOther threats | Affected
| Fixed in– |
Ubuntu 18.04 LTSmrtgpkg:deb/ubuntu/mrtg?arch=source&distro=bionicOther threats | Affected
| Fixed in– |
Ubuntu 20.04 LTSmrtgpkg:deb/ubuntu/mrtg?arch=source&distro=focalOther threats | Affected
| Fixed in– |
Ubuntu 22.04 LTSmrtgpkg:deb/ubuntu/mrtg?arch=source&distro=jammyOther threats | Affected
| Fixed in– |
Ubuntu 24.04 LTSmrtgpkg:deb/ubuntu/mrtg?arch=source&distro=nobleOther 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 updated MRTG packages that fix this vulnerability. Users should apply the security update provided by Red Hat Enterprise Linux 8 and related distributions as detailed in the Red Hat advisory RHSA-2026:65832. Refer to https://access.redhat.com/articles/11258 for update instructions. No other mitigation is required once the update is applied.
Description
A local privilege escalation vulnerability exists in the Multi Router Traffic Grapher (MRTG) daemon when started as root and subsequently dropping privileges. The flaw involves symlink-following chown operations on the PID file path, allowing a local low-privileged attacker to escalate privileges. This issue is tracked as CVE-2026-72694 and affects multiple MRTG versions. A security update addressing this vulnerability is available from Red Hat.
References
- access.redhat.com/errata/RHSA-2026:65832 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2460973 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_65832.json (opens in a new tab)
- ubuntu.com/security/CVE-2026-72694 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-72694 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-72694 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:87255 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_87255.json (opens in a new tab)