Public vulnerability disclosure

CVE-2026-126770

OpsTree REMS through 1.0.0 SSRF via Database Test Connection

publishedCWE-918

OpsTree REMS through 1.0.0 contains a server-side request forgery vulnerability that allows authenticated users to make the backend connect to arbitrary destinations through the database Test Connection feature. Attackers can set a database entry's host and port to localhost, internal addresses, or attacker-controlled servers to probe internal hosts and ports reachable from the REMS server.

Technical severity5.3 mediumCVSS 4.0 · CNA: VulnCheck
Published2026-11-11Source updated 2026-11-11
Collected2026-11-111 attributed source

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
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

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
4.0 / 5.3
medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:NCNA: VulnCheck
3.1 / 5.0
medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:NCNA: VulnCheck

Exploit evidence

References

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