CVE-2026-69257PoC(flowiseai / flowise)

LOWCVSS 8.6 · HIGH

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft
  • Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, Flowise's HTTP security module httpSecurity.ts did not normalize IPv4-mapped IPv6 addresses such as ::ffff:127.0.0.1 and ::ffff:169.254.169.254 before checking them against the deny list. Because ipaddr.js reports these addresses as ipv6 while IPv4 CIDR deny-list entries are ipv4, isDeniedIP() skipped the IPv4 CIDR checks. An attacker who controls DNS resolution for a hostname used by the HTTP Node, API Chain, Document Loader, MCP tool, or other paths using secureAxiosRequest(), secureFetch(), or checkDenyList() could return a AAAA record for an IPv4-mapped target and cause requests to reach localhost, internal services, or cloud metadata endpoints. This issue is fixed in version 3.1.3.

1.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-918CWE-1389

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • flowise

Threat summary

  • Public PoC is present in monitored signal
  • 1 mentions across 1 observed day

What's happening

  • PoC mentioned or linked in 1 signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
flowise

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-08-06: 1PoC Mentioned / Linked · 2026-08-06: 108-06
Signal classification1 categories
PoC
1100.0%
Full discourse1 post
  • Hephaestvs@Vulcanux_
    PoC

    csirt_it: ‼️ #Flowise: #PoC per CVE-2026-70476, CVE-2026-70474, CVE-2026-70473, CVE-2026-70470, CVE-2026-69264, CVE-2026-69263, CVE-2026-69257, CVE-2026-69256 e CVE-2026-69255 Rischio: 🔴 Tra le tipologie 🔸 Information Disclosure 🔗 … https://t.co/N9ohNZ3AC1

    Post summary

    The tweet announces Proof of Concept materials for multiple CVEs, indicates a high risk (Information Disclosure), and links to additional resources.

    0000049
    628 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appflowiseaiflowise---

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