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CVE-2026-45711

Mailpit is an email testing tool and API for developers. Prior to version 1.30.0, the mailpit dump --http <base-url> <out-dir> sub-command downloads every message from a remote Mailpit instance and writes each one as <id>.eml inside the user-supplied output directory. The message ID field is taken verbatim from the JSON response of the remote server and concatenated into the output path with path.Join, which silently normalizes `..` segments. A malicious HTTP server impersonating Mailpit can the
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6e8a1f58a1b66373dbfa69049f480f2e799359f46e8b9952c134ca67921e643f
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-829","description":"CWE-829: Inclusion of Functionality from Untrusted Control Sphere","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3401c8714b419a518bd7bb72ff92fa8d52e48699b4adcc4e5123fa65f51dd08f · sha256:12d2c72604c643f0… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3401c8714b419a518bd7bb72ff92fa8d52e48699b4adcc4e5123fa65f51dd08f · sha256:12d2c72604c643f0… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"mailpit","vendor":"axllent","versions":[{"status":"affected","version":"< 1.30.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3401c8714b419a518bd7bb72ff92fa8d52e48699b4adcc4e5123fa65f51dd08f · sha256:12d2c72604c643f0… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3401c8714b419a518bd7bb72ff92fa8d52e48699b4adcc4e5123fa65f51dd08f · sha256:12d2c72604c643f0… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-829","description":"CWE-829: Inclusion of Functionality from Untrusted Control Sphere","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3401c8714b419a518bd7bb72ff92fa8d52e48699b4adcc4e5123fa65f51dd08f · sha256:12d2c72604c643f0… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3401c8714b419a518bd7bb72ff92fa8d52e48699b4adcc4e5123fa65f51dd08f · sha256:12d2c72604c643f0… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/axllent/mailpit/releases/tag/v1.30.0","tags":["x_refsource_MISC"],"url":"https://github.com/axllent/mailpit/releases/tag/v1.30.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3401c8714b419a518bd7bb72ff92fa8d52e48699b4adcc4e5123fa65f51dd08f · sha256:12d2c72604c643f0… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/axllent/mailpit/security/advisories/GHSA-qx5x-85p8-vg4j"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3401c8714b419a518bd7bb72ff92fa8d52e48699b4adcc4e5123fa65f51dd08f · sha256:12d2c72604c643f0… · /containers/adp/0/references/0
{"name":"https://github.com/axllent/mailpit/security/advisories/GHSA-qx5x-85p8-vg4j","tags":["x_refsource_CONFIRM"],"url":"https://github.com/axllent/mailpit/security/advisories/GHSA-qx5x-85p8-vg4j"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3401c8714b419a518bd7bb72ff92fa8d52e48699b4adcc4e5123fa65f51dd08f · sha256:12d2c72604c643f0… · /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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