CVE-2025-46661: IPW Systems Metazo through 8.1.3 allows unauthenticated Remote Code Execution because smartyValidator.php enab

Q: How do I fix CVE-2025-46661?

metazo: upgrade to newer than 8.1.13. Exact commands for each OS are on this page.

Q: Is CVE-2025-46661 being exploited?

CVE-2025-46661 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-2025-46661 affect?

CVE-2025-46661 affects metazo. Severity is critical (CVSS 10.0). IPW Systems Metazo through 8.1.3 allows unauthenticated Remote Code Execution because smartyValidator.php enables the attacker to provide template expressions, aka Server-Side Template-Injection. All instances have been patched by the Suppl

Q: How urgent is CVE-2025-46661?

Priority 54/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 10.0REMOTEUPGRADE

CVE-2025-46661 is a critical-severity flaw (CVSS 10.0) affecting metazo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IPW Systems Metazo through 8.1.3 allows unauthenticated Remote Code Execution because smartyValidator.php enables the attacker to provide template expressions, aka Server-Side Template-Injection. All instances have been patched by the Supplier.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-1336, CWE-94
Published	2025-04-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ipwsystems

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

Am I affected?

Timeline

2025-04-28 13:15 UTCPublished CVE record published
2026-06-17 09:26 UTCUpdated Record last modified

ipwsystems metazo UPGRADE

Affected: <= 8.1.13

Fixed in: newer than 8.1.13

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 8.1.13 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade metazo

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-2025-46661?

metazo: upgrade to newer than 8.1.13. Exact commands for each OS are on this page.

Is CVE-2025-46661 being exploited?

CVE-2025-46661 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-2025-46661 affect?

CVE-2025-46661 affects metazo. Severity is critical (CVSS 10.0). IPW Systems Metazo through 8.1.3 allows unauthenticated Remote Code Execution because smartyValidator.php enables the attacker to provide template expressions, aka Server-Side Template-Injection. All instances have been patched by the Suppl

How urgent is CVE-2025-46661?

Priority 54/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

References

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