CVE-2026-126767
mediumOpsTree REMS through 1.0.0 contains a prompt injection vulnerability that allows authenticated users to disclose the hidden system prompt by submitting crafted…
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
4.3
4.3 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-11-11 19:17
Modified: 2026-11-11 19:17
NVD status: Received
Last synced 50 minutes ago
Verified against the source API 2026-11-11 19:42 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://gist.github.com/neelkotnis/548bfde3e45bc3793f3f26e1f9a43efe disclosure@vulncheck.com
- https://opstree.com/rems-ai-powered-observability/ disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/opstree-rems-through-1.0.0-prompt-injection-via-rca-c... disclosure@vulncheck.com
Data sources
NVD CVE API 2.0 — fetched 2026-11-11 19:42 UTC · record ↗