CVE-2026-0770

Published Jan 23, 2026

Last updated a month ago

Exploit knownCVSS critical 9.8
web application
Zero-day
Open source

Overview

Description
Langflow exec_globals Inclusion of Functionality from Untrusted Control Sphere Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Langflow. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the exec_globals parameter provided to the validate endpoint. The issue results from the inclusion of a resource from an untrusted control sphere. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-27325.
Source
zdi-disclosures@trendmicro.com
NVD status
Analyzed
Products
langflow

Risk scores

CVSS 3.0

Type
Secondary
Base score
9.8
Impact score
5.9
Exploitability score
3.9
Vector string
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity
CRITICAL

Known exploits

Data from CISA

Vulnerability name
Langflow Inclusion of Functionality from Untrusted Control Sphere Vulnerability
Exploit added on
Jul 21, 2026
Exploit action due
Jul 24, 2026
Required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Weaknesses

zdi-disclosures@trendmicro.com
CWE-829

Social media

Hype score
Not currently trending
  1. #AppSec 1⃣ Jellyfin RCE (CVE-2026-35033) https://t.co/g3LTIc2Ffy 2⃣ Exploiting Langflow's validate_code() Endpoint for RCE (CVE-2026-0770) https://t.co/OHFOkHIv35 3⃣ Cruising for Shells in Flowise: 6 RCEs https://t.co/reEPsIsbrU 4⃣ Check Point SmartConsole Authenticat

    @ksg93rd

    4 Aug 2026

    151 Impressions

    0 Retweets

    0 Likes

    1 Bookmark

    0 Replies

    0 Quotes

  2. GUIでLLMアプリのワークフローを組めるオープンソースのAI開発ツールLangflowで、認証なしにサーバー上の任意コードを実行できるCVE-2026-0770が報告されています。CISAは7月21日、これを実際の悪用が確認された脆

    @MalwareBibleJP

    27 Jul 2026

    1233 Impressions

    1 Retweet

    7 Likes

    0 Bookmarks

    0 Replies

    1 Quote

  3. CISA Adds CVE-2026-0770 to Known Exploited Vulnerabilities Catalog. https://t.co/1vrNyuWp63

    @f1tym1

    26 Jul 2026

    18 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  4. Top KEVs hitting KEVIntel sensors this week: 1. CVE-2021-41773 - 732 2. CVE-2022-47945 - 466 3. CVE-2025-55182 - 337 4. CVE-2026-0770 - 178 5. CVE-2026-63030 - 113 2,497 exploitation attempts from 500 source IPs across our sensors. Patch what attackers are actually exploiting.

    @kev_intel

    23 Jul 2026

    74 Impressions

    0 Retweets

    1 Like

    0 Bookmarks

    1 Reply

    0 Quotes

  5. 米国サイバーセキュリティ・社会基盤安全保障庁(CISA)が既知の悪用された脆弱性カタログに4件の脆弱性を追加。DD-WRTのCVE-2021-27137、LangflowのCVE-2026-0770、WordPressのCVE-2026-63030とCVE-2026-60137。対処期限は前3件が3日

    @__kokumoto

    21 Jul 2026

    708 Impressions

    0 Retweets

    3 Likes

    2 Bookmarks

    1 Reply

    0 Quotes

  6. CISA added Langflow CVE-2026-0770 to KEV. Before that, KEVIntel observed 137 RCE attempts from 46 IPs targeting /api/v1/validate/code. Traffic overlaps with CVE-2025-3248. Same endpoint, different bugs, ambiguous attribution. Full analysis in comments.

    @kev_intel

    21 Jul 2026

    117 Impressions

    0 Retweets

    3 Likes

    0 Bookmarks

    1 Reply

    0 Quotes

  7. 🚨 4 new CISA KEV adds today CVE-2021-27137, CVE-2026-0770, CVE-2026-63030, CVE-2026-60137 https://t.co/0StDFCzdCI #boarnet #cybersecurity #cisakev #cve #threatintelligence #malware

    @boarnetio

    21 Jul 2026

    29 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

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