CVE-2026-19304Disclosure(apple / langflow)

LOWCVSS 7.7 · 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

IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to obtain sensitive information from internal services due to a URL parser discrepancy.

2.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-918

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.

  • langflow
  • linux_kernel
  • macos
  • windows

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
  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Products
langflowlinux_kernelmacoswindows

1 version affected across 4 products

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-09-05: 1PoC Mentioned / Linked · 2026-09-05: 1Technical Details · 2026-09-05: 109-05
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • sushrut@sushru7
    Disclosure

    CVE-2026-19304 (CVSS 7.7) one backslash bypasses SSRF guards in IBM's Langflow and CrewAI. http://127.0.0.1:8080\@1.1.1.1/ Writeup: https://www.badcast.dev/blog/parser-differential-ssrf-ai-agents/

    Post summary

    CVE‑2026‑19304, a 7.7‑scored SSRF guard bypass in IBM’s Langflow and CrewAI, is disclosed along with a writeup link that likely contains a proof of concept.

    00110159
    22 followersView on X
CPE platform detail4 entries

4 of 4 entries

PartVendorProductVersionTarget SWTarget HW
OSapplemacos---
Applangflowlangflow---
OSlinuxlinux_kernel---
OSmicrosoftwindows---

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