CVE-2026-126768
OpsTree REMS through 1.0.0 Authentication Bypass via is_local_auth Flag
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| REMS OpsTree Solutions |
≥ 0; ≤ 1.0.0 (affected, custom)
Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 9.3 critical |
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | CNA: VulnCheck |
| 3.1 / 9.8 critical |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | CNA: VulnCheck |
Exploit evidence
- https://gist.github.com/neelkotnis/4676fe10859d84900025cf52188dae46
exploit · CNA: VulnCheck
References
- https://gist.github.com/neelkotnis/4676fe10859d84900025cf52188dae46CNA: VulnCheck · technical-description, exploit
- https://opstree.com/rems-ai-powered-observability/CNA: VulnCheck · product
- https://www.vulncheck.com/advisories/opstree-rems-through-1.0.0-authentication-bypass-via-is-local-auth-flagCNA: VulnCheck · third-party-advisory
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