CVE Explorer
CVE-2026-34721
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the OAuth callback endpoints for Microsoft, Google, and Facebook external credentials do not validate a CSRF state parameter. This vulnerability is fixed in 7.0.1 and 6.5.4.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"zammad","vendor":"zammad","versions":[{"status":"affected","version":"< 6.5.4"},{"status":"affected","version":">= 7.0.0-alpha, < 7.0.1"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:a8d8219082bcedbffbfb5d32adbdbbfa3f0bdf970be9a19dad939092d6b86ad2 · sha256:4a7ca616bc9074e8… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":5.9,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:a8d8219082bcedbffbfb5d32adbdbbfa3f0bdf970be9a19dad939092d6b86ad2 · sha256:4a7ca616bc9074e8… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-352","description":"CWE-352: Cross-Site Request Forgery (CSRF)","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:a8d8219082bcedbffbfb5d32adbdbbfa3f0bdf970be9a19dad939092d6b86ad2 · sha256:4a7ca616bc9074e8… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"https://github.com/zammad/zammad/security/advisories/GHSA-mfwp-hx66-626c","tags":["x_refsource_CONFIRM"],"url":"https://github.com/zammad/zammad/security/advisories/GHSA-mfwp-hx66-626c"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:a8d8219082bcedbffbfb5d32adbdbbfa3f0bdf970be9a19dad939092d6b86ad2 · sha256:4a7ca616bc9074e8… · /containers/cna/references/0
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.