4.3
MEDIUM CVSS 4.0
CVE-2026-126772
OpsTree REMS through 1.0.0 Comment Author Spoofing via Incident Comment API
Description

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.

INFO

Published Date :

Nov. 11, 2026, 6:11 p.m.

Last Modified :

Nov. 11, 2026, 6:11 p.m.

Remotely Exploit :

Yes !

Source :

VulnCheck
Affected Products

The following products are affected by CVE-2026-126772 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 MEDIUM MITRE-CVE
CVSS 4.0 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
Solution
Update OpsTree REMS to a version that addresses the improper attribution vulnerability.
  • Update OpsTree REMS to the latest version.
  • Review access controls for incident commenting.
  • Ensure proper user attribution for all comments.
  • Monitor incident timelines for unauthorized activity.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-126772 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.