CVE Explorer
CVE-2026-23920
Host and event action script input is validated with a regex (set by the administrator), but the validation runs in multiline mode. If ^ and $ anchors are used in user input validation, an injected newline lets authenticated users bypass the check and inject shell commands.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unknown","modules":["Server","Proxy"],"product":"Zabbix","repo":"https://git.zabbix.com/","vendor":"Zabbix","versions":[{"changes":[{"at":"7.0.22","status":"unaffected"}],"lessThanOrEqual":"7.0.21","status":"affected","version":"7.0.0","versionType":"git"},{"changes":[{"at":"7.2.15","status":"unaffected"}],"lessThanOrEqual":"7.2.14","status":"affected","version":"7.2.0","versionType":"git"},{"changes":[{"at":"7.4.6","status":"unaffected"}],"lessThanOrEqual":"7.4.5","status":"affected","version":"7.4.0","versionType":"git"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:9e7be404f77a8630db16a2b5fc1d5ac0d084599bedb6cccc32b62de74aeabde0 · sha256:1daf4e7ae94d73ad… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":7.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact"…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:9e7be404f77a8630db16a2b5fc1d5ac0d084599bedb6cccc32b62de74aeabde0 · sha256:1daf4e7ae94d73ad… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-78","description":"CWE-78 CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:9e7be404f77a8630db16a2b5fc1d5ac0d084599bedb6cccc32b62de74aeabde0 · sha256:1daf4e7ae94d73ad… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://support.zabbix.com/browse/ZBX-27639"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9e7be404f77a8630db16a2b5fc1d5ac0d084599bedb6cccc32b62de74aeabde0 · sha256:1daf4e7ae94d73ad… · /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.