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CVE-2026-33656

EspoCRM is an open source customer relationship management application. Prior to version 9.3.4, EspoCRM's built-in formula scripting engine allowing updating attachment's sourceId thus allowing an authenticated admin to overwrite the `sourceId` field on `Attachment` entities. Because `sourceId` is concatenated directly into a file path with no sanitization in `EspoUploadDir::getFilePath()`, an attacker can redirect any file read or write operation to an arbitrary path within the web server's `op
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:03f00bd5acd8cdc0563242e74c038fa06596798ba6fb7fca12e5df6ab547a7c0
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"espocrm","vendor":"espocrm","versions":[{"status":"affected","version":"< 9.3.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:75fee3a1f1124d286759d59e3e14f01308171e537e2833c61d38df630fd18cd4 · sha256:b86ec60761ae55fd… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:75fee3a1f1124d286759d59e3e14f01308171e537e2833c61d38df630fd18cd4 · sha256:b86ec60761ae55fd… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"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:v2:75fee3a1f1124d286759d59e3e14f01308171e537e2833c61d38df630fd18cd4 · sha256:b86ec60761ae55fd… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["exploit"],"url":"https://github.com/espocrm/espocrm/security/advisories/GHSA-7922-x7cf-j54x"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:75fee3a1f1124d286759d59e3e14f01308171e537e2833c61d38df630fd18cd4 · sha256:b86ec60761ae55fd… · /containers/adp/0/references/0
{"name":"https://github.com/espocrm/espocrm/security/advisories/GHSA-7922-x7cf-j54x","tags":["x_refsource_CONFIRM"],"url":"https://github.com/espocrm/espocrm/security/advisories/GHSA-7922-x7cf-j54x"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:75fee3a1f1124d286759d59e3e14f01308171e537e2833c61d38df630fd18cd4 · sha256:b86ec60761ae55fd… · /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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