CVE-2026-24736: Squidex is an open source headless content management system and content management hub

Q: How do I fix CVE-2026-24736?

squidex: upgrade to newer than 7.21.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-24736 being exploited?

CVE-2026-24736 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-2026-24736 affect?

CVE-2026-24736 affects squidex. Severity is critical (CVSS 9.1). Squidex is an open source headless content management system and content management hub. Versions of the application up to and including 7.21.0 allow users to define "Webhooks" as actions within the Rules engine. The url parameter in the we

Q: How urgent is CVE-2026-24736?

Priority 47/100. Critical severity; Public exploit reference

This month

CRITICAL 9.1UPGRADE

CVE-2026-24736 is a critical-severity flaw (CVSS 9.1) affecting squidex. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Squidex is an open source headless content management system and content management hub. Versions of the application up to and including 7.21.0 allow users to define "Webhooks" as actions within the Rules engine. The url parameter in the webhook configuration does not appear to validate or restrict destination IP addresses. It accepts local addresses such as 127.0.0.1 or localhost. When a rule is triggered (Either manual trigger by manually calli

Why this priority

Critical severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-918
Published	2026-01-27
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: squidex.io

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

Am I affected?

Timeline

2026-01-27 21:16 UTCPublished CVE record published
2026-06-17 10:23 UTCUpdated Record last modified

squidex.io squidex UPGRADE

Affected: <= 7.21.0

Fixed in: newer than 7.21.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 7.21.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade squidex

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-2026-24736?

squidex: upgrade to newer than 7.21.0. Exact commands for each OS are on this page.

Is CVE-2026-24736 being exploited?

CVE-2026-24736 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-2026-24736 affect?

CVE-2026-24736 affects squidex. Severity is critical (CVSS 9.1). Squidex is an open source headless content management system and content management hub. Versions of the application up to and including 7.21.0 allow users to define "Webhooks" as actions within the Rules engine. The url parameter in the we

How urgent is CVE-2026-24736?

Priority 47/100. Critical severity; Public exploit reference

References

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