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PatchSiren cyber security CVE debrief

CVE-2026-49141 ArnasDon CVE debrief

CVE-2026-49141 is a medium-severity vulnerability in WACRM's automation engine, allowing authenticated attackers to access and modify contacts across tenant boundaries. The vulnerability exists due to a lack of tenant ownership verification in the POST request body, enabling attackers to supply an arbitrary caller-controlled contact_id and bypass row-level security.

Vendor
ArnasDon
Product
wacrm
CVSS
MEDIUM 5.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-08
Original CVE updated
2026-07-23
Advisory published
2026-06-08
Advisory updated
2026-07-23

Who should care

Users of WACRM, especially those with multi-tenant environments, should be aware of this vulnerability and take steps to mitigate it.

Technical summary

The vulnerability has a CVSS score of 5.1 and is classified as CWE-639. It allows attackers to modify victim contact fields, including name, email, and company, using only a known contact UUID.

Defensive priority

MEDIUM

Recommended defensive actions

  • Apply the patch from commit 73041bf
  • Review and update access controls for the automation engine
  • Monitor for suspicious activity related to contact modifications

Evidence notes

Evidence of this vulnerability can be found in the commit history and advisory links provided.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-49141 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-49141

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-49141 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-49141

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.