CVE-2026-32263: craftcms cms · Unsafe Reflection
Affects craftcms cmsSource CVE Database V5
Not known to be exploited · CVSS 8.6 High : upgrade to 5.9.11 soon.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 43% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 5.9.11, 5.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 16 Mar 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Upgrade cms to 5.9.11; craftcms/cms to 5.9.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| craftcmscms | Affected
| Fixed in
|
GitHubcraftcms/cmspkg:github/craftcms/cmsOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
- Upgrade Craft CMS to version 5.9.11 or later immediately to apply the official patch that addresses this vulnerability.
- Restrict administrative access to the Craft CMS control panel by implementing strong authentication mechanisms such as multi-factor authentication (MFA) and IP whitelisting.
- Disable the allowAdminChanges setting if it is not required, reducing the attack surface for this vulnerability.
- Regularly audit and monitor administrator accounts and permissions to detect unauthorized access or privilege escalation attempts.
- Implement web application firewalls (WAF) with rules to detect and block suspicious requests targeting the EntryTypesController.php or attempts to inject Yii2 behaviors.
- Conduct code reviews and security testing on custom plugins or extensions that may interact with the configuration or behavior system to ensure they do not introduce similar unsafe reflection issues.
- Maintain up-to-date backups and incident response plans to quickly recover in case of compromise.
- Educate administrators about the risks of unsafe reflection and the importance of secure configuration management.
Description
CVE-2026-32263 is a high-severity vulnerability in Craft CMS versions 5.6.0 through 5.9.10 involving unsafe reflection due to externally-controlled input. The vulnerability arises because the $settings array parsed from user input is passed directly to Craft::configure() without proper cleansing, allowing injection of Yii2 behavior or event handlers via specially crafted keys. Exploitation requires administrator-level permissions in the Craft control panel and the allowAdminChanges setting enabled. Successful exploitation could lead to remote code execution or unauthorized behavior manipulation within the CMS. The issue was patched in version 5.9.