CVE-2026-24874: Access of Resource Using Incompatible Type ('Type Confusion') vulnerability in themrdemonized xray-monolith.Th

Q: How do I fix CVE-2026-24874?

xray-monolith: upgrade to 2025.12.30. Exact commands for each OS are on this page.

Q: Is CVE-2026-24874 being exploited?

CVE-2026-24874 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-24874 affect?

CVE-2026-24874 affects xray-monolith. Severity is critical (CVSS 9.1). Access of Resource Using Incompatible Type ('Type Confusion') vulnerability in themrdemonized xray-monolith.This issue affects xray-monolith: before 2025.12.30.

Q: How urgent is CVE-2026-24874?

Priority 42/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.1REMOTEUPGRADE

CVE-2026-24874 is a critical-severity flaw (CVSS 9.1) affecting xray-monolith. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Access of Resource Using Incompatible Type ('Type Confusion') vulnerability in themrdemonized xray-monolith.This issue affects xray-monolith: before 2025.12.30.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-843
Published	2026-01-27
Last modified	2026-08-31

Publisher (CNA): Government Technology Agency of Singapore Cyber Security Group (GovTech CSG) · Vendor: themrdemonized

Last updated 2026-08-31 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-27 16:16 UTCPublished CVE record published
2026-08-31 13:17 UTCUpdated Record last modified

themrdemonized xray-monolith UPGRADE

Affected: < 2025.12.30

Fixed in: 2025.12.30

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy xray-monolith || rpm -q xray-monolith || xray-monolith --version

2. UPGRADE to 2025.12.30 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade xray-monolith

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade xray-monolith

Note

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

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-2026-24874?

xray-monolith: upgrade to 2025.12.30. Exact commands for each OS are on this page.

Is CVE-2026-24874 being exploited?

CVE-2026-24874 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-2026-24874 affect?

CVE-2026-24874 affects xray-monolith. Severity is critical (CVSS 9.1). Access of Resource Using Incompatible Type ('Type Confusion') vulnerability in themrdemonized xray-monolith.This issue affects xray-monolith: before 2025.12.30.

How urgent is CVE-2026-24874?

Priority 42/100. Critical severity; Remotely exploitable, no login, no user action

References

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