CVE-2026-17633PoC(langflow / langflow)

LOWCVSS 8.8 · HIGH

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Prioritize remediation for langflow langflow systems immediately
  • 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 1.10.3 could allow a remote authenticated attacker to execute arbitrary code due to code injection.

3.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-94

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Are you affected?

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

  • langflow

Threat summary

  • Public PoC and exploit tooling are both present
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Exploit tool or code specified in 1 signal
  • PoC mentioned or linked in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-09-16); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
Products
langflow

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-09-16: 1Mentions · 2026-09-25: 1PoC Mentioned / Linked · 2026-09-16: 1Exploit Tool / Code · 2026-09-16: 1Technical Details · 2026-09-16: 1Technical Details · 2026-09-25: 109-1609-25
Signal classification2 categories
PoC
150.0%
Disclosure
150.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-09-161
PoC1
2026-09-251
Disclosure1
Full discourse2 posts
  • Rıdvan Yağlı@ridvanyagli
    PoC

    IBM Langflow OSS 1.0.0–1.10.3 sürümlerini etkileyen CVSS 8.5 HIGH seviyesinde Authenticated RCE açığı için PoC yayınlandı: https://github.com/Oscar-Collado/langflow-CVE-2026-17633-PoC

    Post summary

    The tweet announces a PoC for CVE-2026-17633 affecting IBM Langflow OSS versions 1.0.0–1.10.3, an authenticated RCE with CVSS 8.5, and provides a GitHub link to the PoC code.

    0101731.2K
    2.5K followersView on X
  • ET Labs@ET_Labs
    Disclosure

    6 new OPEN, 7 new PRO (6 + 1) CVE-2026-17633 (IBM Langflow RCE), CVE-2026-87902 (Wordpress Core Template Path Traversal), CVE-2026-42779 (Apache MINA Allowlist Bypass RCE), TA569, and more. https://community.emergingthreats.net/t/ruleset-update-summary-2026-09-25-v11298/3464

    Post summary

    The text summarizes a detection ruleset update listing CVEs with their technical types and affected components but provides no evidence of PoC, exploit tools, patches, or active exploitation.

    02001273
    5.7K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Applangflowlangflow---

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