Craft is a platform for creating digital experiences. In versions 4.0.0-RC1 through 4.16.17 and 5.0.0-RC1 through 5.8.21, a Remote Code Execution (RCE) vulnerability exists in Craft CMS where the assembleLayoutFromPost() function in src/services/Fields.php fails to sanitize user-supplied configuration data before passing it to Craft::createObject(). This allows authenticated administrators to inject malicious Yii2 behavior configurations that execute arbitrary system commands on the server. This vulnerability represents an unpatched variant of the behavior injection vulnerability addressed in CVE-2025-68455, affecting different endpoints through a separate code path. This vulnerability is fixed in 5.8.22.
CVE-2026-25498
This high-severity CVE scores 7.2 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 41% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.2
- EG Score
- 7.2(medium)
- EPSS
- 58.2%
- KEV
- Not listed
Published
February 9, 2026
Last Modified
February 19, 2026
References (3)
- security-advisories@githubhttps://github.com/craftcms/cms/commit/395c64f0b80b507be1c862a2ec942eaacb353748
- security-advisories@githubhttps://github.com/craftcms/cms/releases/tag/5.8.22
- security-advisories@githubhttps://github.com/craftcms/cms/security/advisories/GHSA-7jx7-3846-m7w7
Affected Packages
(1 across 1 ecosystem)
Packagist(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| craftcms/cms | 4.0.0 ... 4.9.7 (227 versions) | 4.16.18 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 13× in last 7d / 51× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-22 14:08 UTCEPSS rescore
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- 2026-07-17 17:29 UTCOSV refresh
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Frequently asked(5)
What is CVE-2026-25498?
When was CVE-2026-25498 disclosed?
Is CVE-2026-25498 actively exploited?
What is the CVSS score of CVE-2026-25498?
How do I remediate CVE-2026-25498?
Dependency Blast Radius
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