CVE-2024-11839: Deserialization of Untrusted Data vulnerability in PlexTrac (Runbooks modules) which allows Object Injection a

Routine

HIGH 7.5REMOTEUPGRADE

CVE-2024-11839 is a high-severity flaw (CVSS 7.5) affecting plextrac. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Deserialization of Untrusted Data vulnerability in PlexTrac (Runbooks modules) which allows Object Injection and arbitrary file writes.This issue affects PlexTrac: from 1.61.3 before 2.8.1.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 70%)
CISA exploited list	No
Weakness	CWE-502
Published	2024-12-13
Last modified	2026-06-17

Publisher (CNA): PlexTrac · Vendor: plextrac

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-12-13 06:15 UTCPublished CVE record published
2026-06-17 06:58 UTCUpdated Record last modified

plextrac plextrac UPGRADE

Affected: >= 1.61.3 and < 2.8.1

Fixed in: 2.8.1

Safe to downgrade to: a release before 1.61.3

1. Check installed version

apt-cache policy plextrac || rpm -q plextrac || plextrac --version

2. UPGRADE to 2.8.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade plextrac

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade plextrac

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 1.61.3 (Debian / Ubuntu)

apt-cache madison plextrac sudo apt install plextrac=<VERSION_BEFORE_1.61.3> sudo apt-mark hold plextrac

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list plextrac sudo dnf downgrade plextrac-<VERSION_BEFORE_1.61.3> sudo dnf versionlock add plextrac

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-11839?

plextrac: upgrade to 2.8.1. Exact commands for each OS are on this page.

Is CVE-2024-11839 being exploited?

CVE-2024-11839 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-11839 affect?

CVE-2024-11839 affects plextrac. Severity is high (CVSS 7.5). Deserialization of Untrusted Data vulnerability in PlexTrac (Runbooks modules) which allows Object Injection and arbitrary file writes.This issue affects PlexTrac: from 1.61.3 before 2.8.1.

How urgent is CVE-2024-11839?

Priority 39/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-12687 CRITICAL 9.8 UPGRADE Deserialization of Untrusted Data vulnerability in PlexTrac (Runbooks modules) which allows Object Injection a
CVE-2024-11838 CRITICAL 9.8 UPGRADE External Control of File Name or Path vulnerability in PlexTrac allows Local Code Inclusion through use of an
CVE-2024-11837 CRITICAL 9.8 UPGRADE Improper Neutralization of Special Elements used in an N1QL Command ('N1QL Injection') vulnerability in PlexTr
CVE-2024-11836 HIGH 7.5 UPGRADE Server-Side Request Forgery (SSRF) vulnerability in PlexTrac allowing requests to internal system resources.Th
CVE-2024-11835 HIGH 7.5 UPGRADE Uncontrolled Resource Consumption vulnerability in PlexTrac allows WebSocket DoS.This issue affects PlexTrac:

References

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