Medium severity4.3NVD Advisory· Published Nov 11, 2026

CVE-2026-126767

Description

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.

Affected products

OpsTree/Remsllm-fuzzy
Range: <=1.0.0
OpsTree/REMS AI-Powered Observabilityllm-fuzzy
Range: <=1.0.0

Patches

Vulnerability mechanics

References

gist.github.com/neelkotnis/548bfde3e45bc3793f3f26e1f9a43efenvd
opstree.com/rems-ai-powered-observability/nvd
www.vulncheck.com/advisories/opstree-rems-through-1.0.0-prompt-injection-via-rca-chat-assistantnvd

News mentions

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