CVE-2026-126772

CVSS 5.3 (medium) · published 2026-11-11

OpsTree REMS through 1.0.0 contains an improper attribution vulnerability that allows authenticated users to post comments as the incident creator via POST /api/v1/incidents/{incident_id}/comment. Lower-privileged attackers can comment on incidents owned by users such as a Super User to impersonate them and corrupt the incident timeline and audit trail.

Weakness: CWE-863

Source: NVD CVE-2026-126772

References

• https://gist.github.com/neelkotnis/5a5c810e16a3f242f336198b32213629
• https://opstree.com/rems-ai-powered-observability/
• https://www.vulncheck.com/advisories/opstree-rems-through-1.0.0-comment-author-spoofing-via-incident-comment-api

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