CVE-2026-41129: craftcms cms · Server-Side Request Forgery (SSRF)
Affects craftcms cmsSource CVE Database V5
Public exploit available · CVSS 5.5 Medium : upgrade to 5.9.15 or 4.17.9 as a priority.
Data as of 29 Oct 2026, 19:04 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 19% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 5.9.15, 4.17.9, 5.0.0 +1
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 21 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
CVSS exploit maturity: proof of concept public
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), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Upgrade cms to 5.9.15 or 4.17.9; craftcms/cms to 5.0.0 or 4.17.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| craftcmscms | 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 4.17.9 or later if using the 4.x branch, or to version 5.9.15 or later if using the 5.x branch. These versions contain patches that fix the SSRF vulnerability. No other mitigation steps are indicated by the vendor advisory.
Description
Craft CMS versions 4.x through 4.17.8 and 5.x through 5.9.14 contain a Server-Side Request Forgery (SSRF) vulnerability. Exploitation requires specific GraphQL schema permissions related to editing and creating assets in a volume. The vulnerability is patched in versions 4.17.