CVE-2026-19286

criticalpriority · attend · 49EPSS 0.009 · 58 %ileexploit · PoCDEUS
grimoire priorityP1 · Urgent
Exploitable?
Public exploit
1 exploit · PoC
Likely / severe?
0.86% (58th) EPSS
CVSS 9.8 · critical
Is it mine?
3 products
Check your exposure
Who says so?
2 sources
cert_bund · nvd

EPSS · scored 2026-10-27

IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to execute arbitrary code due to improper enforcement of security restrictions on the A2A public endpoint.

01

cvss

Technical severity, 0–10. One row per scoring source.

9.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · psirt@us.ibm.com USexploitability 3.9 · impact 5.9
v3.19.3criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

04

exploits (1)

Public proof-of-concept and weaponised exploit code.

05

affected products (3)

Products and version ranges known to be affected.

06

advisories (1)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2026-2995Langflow OSS: Mehrere SchwachstellenDeutsch2026-08-24csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Langflow OSS ausnutzen, um beliebigen Programmcode auszuführen, und um beliebigen Programmcode mit Administratorrechten auszuführen.

07

sources

Which sources assert this record, and when.

published 2026-08-28modified 2026-09-01
08

references (1) nvd

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan