CVE Explorer

CVE-2026-31798

JumpServer is an open source bastion host and an operation and maintenance security audit system. Prior to v4.10.16-lts, JumpServer improperly validates certificates in the Custom SMS API Client. When JumpServer sends MFA/OTP codes via Custom SMS API, an attacker can intercept the request and capture the verification code BEFORE it reaches the user's phone. This vulnerability is fixed in v4.10.16-lts.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:296d705872b6f1f41fcc27514d3ec4bba1ab633b5d32241ba3f17df1cdbb4a36

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"jumpserver","vendor":"jumpserver","versions":[{"status":"affected","version":"< 4.10.16-lts"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:4841a2f8fc70397399255eafd49990b674b249dba36d9cb8177b7083ef1acf37 · sha256:365db21db7562135… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:4841a2f8fc70397399255eafd49990b674b249dba36d9cb8177b7083ef1acf37 · sha256:365db21db7562135… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-295","description":"CWE-295: Improper Certificate Validation","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:4841a2f8fc70397399255eafd49990b674b249dba36d9cb8177b7083ef1acf37 · sha256:365db21db7562135… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"name":"https://github.com/jumpserver/jumpserver/security/advisories/GHSA-26pj-mmxw-w3w7","tags":["x_refsource_CONFIRM"],"url":"https://github.com/jumpserver/jumpserver/security/advisories/GHSA-26pj-mmxw-w3w7"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4841a2f8fc70397399255eafd49990b674b249dba36d9cb8177b7083ef1acf37 · sha256:365db21db7562135… · /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.

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