by Kastro
Paper/Archive/CVE-2026-126768

CVE-2026-126768

OpsTree Solutions REMS — OpsTree REMS through 1.0.0 Authentication Bypass via is_local_auth Flag

CVSS 9.8
critical.is priorityof 100
29
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0No EPSS score.000 × 200.0No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

OpsTree REMS through 1.0.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to obtain valid JWTs by setting the client-controlled is_local_auth field. Attackers can send a POST /api/v1/user/login/ request for the admin account with an invalid password and is_local_auth true to gain SuperUser administrative access.

Affected

ProductAffectedFixed inSource
REMS≤ 1.0.0–CNA

Scores by source

VulnCheck (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
VulnCheck (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References

exploitgist.github.com/neelkotnis/4676fe10859d84900025cf52188dae46refopstree.com/rems-ai-powered-observabilitywriteupvulncheck.com/advisories/opstree-rems-through-1.0.0-authentication-bypass-via-is-local-auth-flag