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PatchSiren cyber security CVE debrief

CVE-2026-12878 Octopus Deploy CVE debrief

An authenticated user can utilize an API endpoint to elevate to Admin permissions in affected Codefresh platform versions. This vulnerability, tracked as CVE-2026-12878, allows an authenticated user to leverage a specific API endpoint for privilege escalation. The affected product is the Codefresh platform, with versions prior to 2.11.15 being vulnerable. The vulnerability has a high CVSS score of 8.6, indicating high severity. To mitigate this vulnerability, defenders should review and limit API endpoint access for authenticated users, implement additional monitoring for API endpoint usage, and verify and apply vendor remediation if available.

Vendor
Octopus Deploy
Product
Codefresh
CVSS
HIGH 8.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-25
Original CVE updated
2026-09-02
Advisory published
2026-08-25
Advisory updated
2026-09-02

Who should care

Codefresh platform administrators, users with API access, security teams monitoring for potential privilege escalation vulnerabilities, and operators of the Codefresh platform should be aware of this vulnerability. They should review and limit API endpoint access for authenticated users, implement additional monitoring for API endpoint usage, and verify and apply vendor remediation if available to prevent exploitation of the vulnerability and potential elevation of privileges to Admin level.

Technical summary

The vulnerability exists in the Codefresh platform, allowing an authenticated user to elevate their permissions to Admin using a specific API endpoint. The CVSS score of 8.6 indicates high severity. Affected versions are prior to 2.11.15. The vulnerability can be exploited through a specific API endpoint, and defenders should review and limit API endpoint access for authenticated users, implement additional monitoring for API endpoint usage, and verify and apply vendor remediation if available.

Defensive priority

High priority due to high CVSS score of 8.6 and potential for privilege escalation.

Recommended defensive actions

  • Review and limit API endpoint access for authenticated users
  • Implement additional monitoring for API endpoint usage
  • Verify and apply vendor remediation if available

Evidence notes

Evidence from official CVE Program record and NVD vulnerability detail page supports the existence of the vulnerability. However, details on affected versions and specific exploitation scenarios are limited. The Codefresh platform vulnerability allows an authenticated user to elevate their permissions to Admin using a specific API endpoint. The CVSS score of 8.6 indicates high severity. Affected versions are prior to 2.11.15. Defenders should verify and apply vendor remediation if available, review and limit API endpoint access for authenticated users, and implement additional monitoring for API endpoint usage.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-12878 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-12878

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

  • CVE-2026-12878 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-12878

    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.