CVE Explorer
CVE-2026-27127
Craft is a content management system (CMS). In versions 4.5.0-RC1 through 4.16.18 and 5.0.0-RC1 through 5.8.22, the SSRF validation in Craft CMS’s GraphQL Asset mutation performs DNS resolution separately from the HTTP request. This Time-of-Check-Time-of-Use (TOCTOU) vulnerability enables DNS rebinding attacks, where an attacker’s DNS server returns different IP addresses for validation compared to the actual request. This is a bypass of the security fix for CVE-2025-68437 that allows access to
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"cms","vendor":"craftcms","versions":[{"status":"affected","version":">= 4.5.0-RC1, < 4.16.19"},{"status":"affected","version":">= 5.0.0-RC1, < 5.8.23"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:bdcbfa0fd682950c0554888040c85ed47896a14732286367f15bb55217300cd5 · sha256:ce2c520fbdb10148… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":7,"baseSeverity":"HIGH","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:bdcbfa0fd682950c0554888040c85ed47896a14732286367f15bb55217300cd5 · sha256:ce2c520fbdb10148… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-367","description":"CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:bdcbfa0fd682950c0554888040c85ed47896a14732286367f15bb55217300cd5 · sha256:ce2c520fbdb10148… · /containers/cna/problemTypes/0/descriptions/0
Source references
3 source assertions{"name":"https://github.com/craftcms/cms/commit/a4cf3fb63bba3249cf1e2882b18a2d29e77a8575","tags":["x_refsource_MISC"],"url":"https://github.com/craftcms/cms/commit/a4cf3fb63bba3249cf1e2882b18a2d29e77a8575"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:bdcbfa0fd682950c0554888040c85ed47896a14732286367f15bb55217300cd5 · sha256:ce2c520fbdb10148… · /containers/cna/references/2
{"name":"https://github.com/craftcms/cms/security/advisories/GHSA-gp2f-7wcm-5fhx","tags":["x_refsource_CONFIRM"],"url":"https://github.com/craftcms/cms/security/advisories/GHSA-gp2f-7wcm-5fhx"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:bdcbfa0fd682950c0554888040c85ed47896a14732286367f15bb55217300cd5 · sha256:ce2c520fbdb10148… · /containers/cna/references/0
{"name":"https://github.com/craftcms/cms/security/advisories/GHSA-x27p-wfqw-hfcc","tags":["x_refsource_MISC"],"url":"https://github.com/craftcms/cms/security/advisories/GHSA-x27p-wfqw-hfcc"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:bdcbfa0fd682950c0554888040c85ed47896a14732286367f15bb55217300cd5 · sha256:ce2c520fbdb10148… · /containers/cna/references/1
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.