CVE Explorer

CVE-2026-44129

SEPPmail Secure Email Gateway before version 15.0.4 contains a server-side template injection vulnerability in the new GINA UI because an endpoint accepts attacker-controlled template, allowing remote attackers to execute arbitrary template expressions and potentially achieve remote code execution depending on the enabled template plugins.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f015fa17fa1073fd712c78a8cfc4d019d95c5b773f6aaab887dd12e45208a865

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","product":"Secure Email Gateway","vendor":"SEPPmail AG","versions":[{"lessThan":"15.0.4","status":"affected","version":"0","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:817d3158653ee2d4db3eadd3237ed1a92d421468d403dae3435e4a32fb014aea · sha256:058b7d44b9e1318b… · /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":8.3,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","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:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact"…

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:817d3158653ee2d4db3eadd3237ed1a92d421468d403dae3435e4a32fb014aea · sha256:058b7d44b9e1318b… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-1336","description":"CWE-1336 Improper neutralization of special elements used in a template engine","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:817d3158653ee2d4db3eadd3237ed1a92d421468d403dae3435e4a32fb014aea · sha256:058b7d44b9e1318b… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"url":"https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#security"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:817d3158653ee2d4db3eadd3237ed1a92d421468d403dae3435e4a32fb014aea · sha256:058b7d44b9e1318b… · /containers/cna/references/0

{"url":"https://labs.infoguard.ch/posts/seppmail_secure_e-mail_gateway_rce_vulnerabilities_cve-2026-2743_cve-2026-7864_cve-2026-44127_cve-2026-44128/"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:817d3158653ee2d4db3eadd3237ed1a92d421468d403dae3435e4a32fb014aea · sha256:058b7d44b9e1318b… · /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.

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