Is there a public exploit for CVE-2026-126766?

No public exploit for CVE-2026-126766 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-126766?

CVE-2026-126766 scores CVSS 5.3 (v4.0), rated medium.

What does CVE-2026-126766 affect?

CVE-2026-126766 affects OpsTree Solutions REMS.

5.3 Medium

OpsTree REMS through 1.0.0 contains an improper authorization vulnerability that allows authenticated users to set an incident's reporter…

CVE-2026-126766

OpsTree REMS through 1.0.0 contains an improper authorization vulnerability that allows authenticated users to set an incident's reporter to another user by supplying a client-controlled reporter field. Attackers can send crafted POST /api/v1/incidents or PATCH /api/v1/incidents/{id}/status requests to falsify incident attribution and corrupt the accountability audit trail.

Assessment

CVSS: 5.3 (v4.0)
Severity: Medium
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 11 November 2026
Last updated: 11 November 2026
Affected: OpsTree Solutions · REMS
Assigner: VulnCheck

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

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