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Back to active CVEs
Critical · CVSS 9.1CVE-2026-47168

EspoCRM: Authenticated RCE via Unsafe PHP Object Deserialization in MassAction/Export paramsCVE-2026-47168

Answer in brief

CVE-2026-47168 records a Critical severity (CVSS 9.1) vulnerability in EspoCRM: Authenticated RCE via Unsafe PHP Object Deserialization in MassAction/Export params. The current sources do not mark it as known exploited. The current feed maps espocrm/espocrm (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 15, 2026Updated Oct 15, 2026Source checked Oct 15, 2026First seen by HOL Oct 15, 2026Material review Oct 15, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.1
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 9.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps espocrm/espocrm (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
espocrm/espocrmgeneric<9.3.79.3.7

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for espocrm/espocrm.
  2. 2Review the reported fix. Update espocrm/espocrm to 9.3.7 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 15, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 15, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 15, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
Upstream source description

EspoCRM is an open source customer relationship management application. Prior to 9.3.7, an authenticated administrator can supply crafted serialized PHP object data that is stored in background MassAction or Export parameters and later deserialized by the application. The deserialization paths do not restrict allowed classes, allowing attacker-controlled object instantiation and arbitrary code execution on the server. This issue is fixed in version 9.3.7.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Deserialization of untrusted data in the Gremlin graph-import path in Amazon NeptuneAlso CWE-502
  • CISA ADP VulnrichmentAlso CWE-502
  • kin-openapi: Unauthenticated panic (DoS) in openapi3filter legacy router via non-canonical/unsupported HTTP method on a static pathSame generic ecosystem
  • kin-openapi spec loader panics on a self-referential additionalProperties $ref (nil-pointer DoS)Same generic ecosystem
  • kin-openapi openapi3filter: nil-pointer panic in ValidateResponse on a response header declared with contentSame generic ecosystem
  • kin-openapi deepObject query decoding repeatedly compiles an invariant regular expressionSame generic ecosystem

Record context

Vulnerability class
Deserialization
EPSS
Not reported
CWE IDs
CWE-502
Source
CVE List V5
Source checked
Oct 15, 2026
References
3 linked sources
Open source record