CVE Explorer
CVE-2026-34752
Haraka is a Node.js mail server. Prior to version 3.1.4, sending an email with __proto__: as a header name crashes the Haraka worker process. This issue has been patched in version 3.1.4.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"Haraka","vendor":"haraka","versions":[{"status":"affected","version":"< 3.1.4"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:c21108ba610c673737e3821bec7b7067301133b2ebd4996c9c304659d8a0ff69 · sha256:1025bf30216933c4… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:c21108ba610c673737e3821bec7b7067301133b2ebd4996c9c304659d8a0ff69 · sha256:1025bf30216933c4… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-248","description":"CWE-248: Uncaught Exception","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:c21108ba610c673737e3821bec7b7067301133b2ebd4996c9c304659d8a0ff69 · sha256:1025bf30216933c4… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"name":"https://github.com/haraka/Haraka/releases/tag/v3.1.4","tags":["x_refsource_MISC"],"url":"https://github.com/haraka/Haraka/releases/tag/v3.1.4"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:c21108ba610c673737e3821bec7b7067301133b2ebd4996c9c304659d8a0ff69 · sha256:1025bf30216933c4… · /containers/cna/references/1
{"name":"https://github.com/haraka/Haraka/security/advisories/GHSA-xph3-r2jf-4vp3","tags":["x_refsource_CONFIRM"],"url":"https://github.com/haraka/Haraka/security/advisories/GHSA-xph3-r2jf-4vp3"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:c21108ba610c673737e3821bec7b7067301133b2ebd4996c9c304659d8a0ff69 · sha256:1025bf30216933c4… · /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.