CVE-2026-91933Active Exploitation

LOWCVSS 7.6 · HIGH

Exploitation ongoing with high activity in latest observed window (1 mentions)

Immediate actions

Prioritize remediation for affected systems immediately
Assume compromise if assets are exposed
Track advisory updates for patch or workaround availability

Recommended action window: Immediate (within 24h)

NVD description

Flowise before 3.1.4 fails to enforce workspace-level authorization checks in openai-realtime endpoints, allowing authenticated users to access tools from ChatFlows in other workspaces by supplying an unscoped chatflowid. Attackers can invoke GET and POST requests to retrieve tool definitions and execute tools from victim workspaces, triggering external side effects and accessing sensitive tool outputs.

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3.5/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-639

Priority

LOW

Exploitation

ACTIVE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

Active exploitation appears in 1 classified signals
1 mentions across 1 observed day

What's happening

Active exploitation reported across 1 signal
Technical details provided in 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Active Exploitation

1100.0%

Referenced assets1 URL

By indicator

https://sec.kaitan.id/cves/CVE-2026-91933

Full discourse1 post

Kaitan ID Security@KaitanSecurity46d
Active Exploitation
⚠️ HIGH — CVE-2026-91933 Flowise before 3.1.4 fails to enforce workspace-level authorization checks in openai-realtime endpoints, allowing authe… CVSS 7.1 ⚡ Exploit in the wild Full analysis → https://sec.kaitan.id/cves/CVE-2026-91933 #OpenAI #CyberSecurity #InfoSec
Post summary
The tweet reports CVE‑2026‑91933 (CVSS 7.1) and states that exploit code is being used in the wild, indicating active exploitation of a workspace‑level authorization flaw in Flowise before version 3.1.4.
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