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CVE-2026-53906

MCO is vulnerable to Path Disclosure and Path Traversal in file handling functionality related to data export and upload. Improper validation of the filename parameter allows writing files to arbitrary locations as well as indirect disclosure of absolute server paths through error messages. Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 25.3.3.1 but may also affect other versions.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:662d4f267cb845c17fe44c667345c3c240e6900090e3008a69a8477640643873
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-209","description":"CWE-209 Generation of Error Message Containing Sensitive Information","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:cf39468ed3081c456bf11a7b0fba8c0a1d215e22d4fb120236aef5b0f8375593 · sha256:101ff57abef69627… · /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:cf39468ed3081c456bf11a7b0fba8c0a1d215e22d4fb120236aef5b0f8375593 · sha256:101ff57abef69627… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"defaultStatus":"unknown","product":"MCO","vendor":"MyComplianceOffice","versions":[{"status":"affected","version":"25.3.3.1","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cf39468ed3081c456bf11a7b0fba8c0a1d215e22d4fb120236aef5b0f8375593 · sha256:101ff57abef69627… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:cf39468ed3081c456bf11a7b0fba8c0a1d215e22d4fb120236aef5b0f8375593 · sha256:101ff57abef69627… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-209","description":"CWE-209 Generation of Error Message Containing Sensitive Information","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:cf39468ed3081c456bf11a7b0fba8c0a1d215e22d4fb120236aef5b0f8375593 · sha256:101ff57abef69627… · /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:cf39468ed3081c456bf11a7b0fba8c0a1d215e22d4fb120236aef5b0f8375593 · sha256:101ff57abef69627… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["third-party-advisory"],"url":"https://cert.pl/en/posts/2026/07/CVE-2026-53902"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cf39468ed3081c456bf11a7b0fba8c0a1d215e22d4fb120236aef5b0f8375593 · sha256:101ff57abef69627… · /containers/cna/references/0
{"tags":["product"],"url":"https://mco.mycomplianceoffice.com/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cf39468ed3081c456bf11a7b0fba8c0a1d215e22d4fb120236aef5b0f8375593 · sha256:101ff57abef69627… · /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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