CVE-2026-126767: medium-severity vulnerability in OpsTree Solutions REMS
OpsTree REMS through 1.0.0 Prompt Injection via RCA Chat Assistant
Published · Updated
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33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 0.3%
OpsTree REMS through 1.0.0 contains a prompt injection vulnerability that allows authenticated users to disclose the hidden system prompt by submitting crafted chat input to POST /api/v1/rca/chat. Attackers can instruct the assistant to ignore its rules and reveal internal orchestration instructions, aiding the crafting of further prompt injection attacks.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Affected products
OpsTree Solutions · REMSpublic PoCs found — 1
cve_referencegist.github.com/neelkotnis/548bfde3e45bc3793f3f26e1f9a43efeunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — OpsTree Solutions REMS
In the same product, most dangerous first.
CVE-2026-126768CRITICALOpsTree REMS through 1.0.0 Authentication Bypass via is_local_auth FlagEPSS 0.8%CVE-2026-126769HIGHOpsTree REMS through 1.0.0 Missing Authentication via /api/v1/databases Governance APIEPSS 0.7%CVE-2026-126770MEDIUMOpsTree REMS through 1.0.0 SSRF via Database Test ConnectionEPSS 0.3%CVE-2026-126772MEDIUMOpsTree REMS through 1.0.0 Comment Author Spoofing via Incident Comment APIEPSS 0.3%CVE-2026-126766MEDIUMOpsTree REMS through 1.0.0 Reporter Spoofing via /api/v1/incidentsEPSS 0.3%CVE-2026-126771MEDIUMOpsTree REMS through 1.0.0 Stored XSS via Attachment Upload and PreviewEPSS 0.3%