CVE-2026-126772

MEDIUM 4.3

OpsTree REMS through 1.0.0 Comment Author Spoofing via Incident Comment API

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-863
Vendor	opstree solutions
Product	rems
Published	Nov 11, 2026

Stay Ahead of the Next One

Get instant alerts for opstree solutions rems

Be the first to know when new medium vulnerabilities affecting opstree solutions rems are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Affected Versions

OpsTree Solutions / REMS

0 ≤ 1.0.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Neel Saurabh Kotnis