CVE-2026-55446Disclosure(langflow / langflow)

LOWCVSS 7.5 · HIGH

Signal is active with 2 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.0.19, an attacker can send a /api/v1/files/upload/ request without any authentication token/cookies and abuse a very long multipart form boundary to make the langflow app unusable for all users for an indefinite amount of time. This vulnerability is fixed in 1.0.19.

langflow CVEs Back to dashboard

0.0/ 10 priority

Sources & remediation

Patch / fix

Exploit / PoC references

Weakness type (CWE)

CWE-400

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

Threat summary

2 mentions across 1 observed day

What's happening

Technical details provided in 2 signals
Disclosure: 2 classified signals
2 total mentions across 1 day

Affected systems

Vendors

langflow

Products

langflow

Deep dive

Activity timeline2 mentions / 1d

Signal classification1 categories

Disclosure

2100.0%

Referenced assets2 URLs

By indicator

Full discourse2 posts

Infoflowcloud@infoflowcloud91d
Disclosure
🚨*CVE* CVE-2026-55446 Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.0.19, an attacker can send a /api/v1/files/upload/ request without any authe… https://www.cve.org/CVERecord?id=CVE-2026-55446 ----- Traducción: CVE-2026-55446 Lan… http://infoflow.cloud`
Post summary
The post announces CVE‑2026‑55446, noting that before Langflow version 1.0.19 an unauthenticated file‑upload endpoint exists, but no PoC, exploit code, or patch details are provided.
0000032
88 followersView on X
CVE@CVEnew91d
Disclosure
CVE-2026-55446 Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.0.19, an attacker can send a /api/v1/files/upload/ request without any authe… https://www.cve.org/CVERecord?id=CVE-2026-55446
Post summary
The text announces a missing‑authentication vulnerability in Langflow’s /api/v1/files/upload/ endpoint prior to version 1.0.19, with no evidence of active exploitation or patches provided.
00000693
57.7K followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	langflow	langflow	-	-	-

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