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CVE-2026-11431

A path traversal vulnerability exists in the Projects Service download endpoint shared by Altium Enterprise Server and Altium 365. An authenticated user can supply a crafted path parameter that bypasses validation, allowing arbitrary files (including entire directories returned as archives) to be read from the server filesystem. Because the readable files include service configuration and credential material, exploitation can be used to gather information enabling further compromise. The iss
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6de85c618252251f3e9896ba380a87d9ed7e5b9a431d341636e82e8062dea176
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","modules":["Projects Service (DownloadReleaseNode action)"],"platforms":["Web"],"product":"Altium Enterprise Server","vendor":"Altium","versions":[{"lessThan":"8.1.1","status":"affected","version":"0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:88b174362641e3369ee024b001b860c2ccc2a77542ab39992c3e4fa6bed15763 · sha256:02cf604d1c6ef662… · /containers/cna/affected/0

{"defaultStatus":"affected","modules":["Projects Service (DownloadReleaseNode action)"],"platforms":["Web"],"product":"Altium 365","vendor":"Altium","versions":[{"status":"affected","version":"unspecified"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:88b174362641e3369ee024b001b860c2ccc2a77542ab39992c3e4fa6bed15763 · sha256:02cf604d1c6ef662… · /containers/cna/affected/1
cwe · 2 assertions

{"cweId":"CWE-200","description":"CWE-200 Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:88b174362641e3369ee024b001b860c2ccc2a77542ab39992c3e4fa6bed15763 · sha256:02cf604d1c6ef662… · /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:v2:88b174362641e3369ee024b001b860c2ccc2a77542ab39992c3e4fa6bed15763 · sha256:02cf604d1c6ef662… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","modules":["Projects Service (DownloadReleaseNode action)"],"platforms":["Web"],"product":"Altium Enterprise Server","vendor":"Altium","versions":[{"lessThan":"8.1.1","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:88b174362641e3369ee024b001b860c2ccc2a77542ab39992c3e4fa6bed15763 · sha256:02cf604d1c6ef662… · /containers/cna/affected/0
{"defaultStatus":"affected","modules":["Projects Service (DownloadReleaseNode action)"],"platforms":["Web"],"product":"Altium 365","vendor":"Altium","versions":[{"status":"affected","version":"unspecified"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:88b174362641e3369ee024b001b860c2ccc2a77542ab39992c3e4fa6bed15763 · sha256:02cf604d1c6ef662… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.3,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"H…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:88b174362641e3369ee024b001b860c2ccc2a77542ab39992c3e4fa6bed15763 · sha256:02cf604d1c6ef662… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-200","description":"CWE-200 Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:88b174362641e3369ee024b001b860c2ccc2a77542ab39992c3e4fa6bed15763 · sha256:02cf604d1c6ef662… · /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:v2:88b174362641e3369ee024b001b860c2ccc2a77542ab39992c3e4fa6bed15763 · sha256:02cf604d1c6ef662… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://www.altium.com/platform/security-compliance/security-advisories"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:88b174362641e3369ee024b001b860c2ccc2a77542ab39992c3e4fa6bed15763 · sha256:02cf604d1c6ef662… · /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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