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PatchSiren cyber security CVE debrief

CVE-2026-50771 Squirro CVE debrief

A Cross Site Scripting vulnerability exists in Squirro Cognitive Search versions prior to 3.14.2. This vulnerability allows a remote attacker to execute arbitrary code via the Email Notification, Create Evaluation Sets, and HTML Editor functions. The vulnerability can have significant impacts on data integrity and confidentiality. Defenders should verify versions, assess exposure, and prioritize updates to mitigate potential impacts. It is essential to review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Vendor
Squirro
Product
Cognitive Search
CVSS
MEDIUM 6.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-17
Original CVE updated
2026-09-09
Advisory published
2026-08-17
Advisory updated
2026-09-09

Who should care

Defenders responsible for Squirro Cognitive Search deployments should assess exposure and prioritize remediation efforts. This includes verifying the version of Squirro Cognitive Search in use, reviewing compensating controls for exposed systems, and planning vendor-supported updates or mitigations through normal change control where exposure is confirmed. Security teams and operators should be aware of the potential

Why it matters

CVE-2026-50771 is a Cross Site Scripting vulnerability in Squirro Cognitive Search versions prior to 3.14.2, allowing remote attackers to execute arbitrary code. Defenders should verify versions, assess exposure, and prioritize updates to mitigate potential impacts.

  • Remote code execution via vulnerable functions
  • Potential for attacker-controlled code execution
  • Need for version verification and update
  • Possible impact on data integrity and confidentiality

Technical summary

The vulnerability exists in Squirro Cognitive Search versions prior to 3.14.2 and allows a remote attacker to execute arbitrary code via the Email Notification, Create Evaluation Sets, and HTML Editor functions. The vulnerability is a Cross Site Scripting issue that can be exploited by attackers to execute malicious scripts. Defenders should prioritize verifying the version of Squirro Cognitive Search in use and assessing exposure to the vulnerable functions. Remediation efforts should focus on updating to version 3.14.2 or later.

Defensive priority

Defenders should prioritize verifying the version of Squirro Cognitive Search in use and assessing exposure to the vulnerable functions. Remediation efforts should focus on updating to version 3.14.2 or later.

Recommended defensive actions

  • Verify the version of Squirro Cognitive Search in use
  • Assess exposure to the vulnerable functions
  • Update to version 3.14.2 or later

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its existence in Squirro Cognitive Search versions prior to 3.14.2 and the functions affected.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-50771 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-50771

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

  • CVE-2026-50771 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-50771

    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.