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CVE-2026-33873

🗓️ 27 Mar 2026 21:17:23Reported by [email protected]Type 
nvd
 nvd🔗 web.nvd.nist.gov👁 8 Views

CVE-2026-33873: Langflow before 1.9.0 runs model code during Agentic Assistant validation, enabling server-side Python execution.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB		CVE-2026-33873
27 Mar 202620:04
–attackerkb
circl
Circl		CVE-2026-33873
27 Mar 202623:13
–circl
cnnvd
CNNVD		Langflow 代码注入漏洞
27 Mar 202600:00
–cnnvd
cve
CVE		CVE-2026-33873
27 Mar 202620:04
–cve
cvelist
Cvelist		CVE-2026-33873 Langflow has Authenticated Code Execution in Agentic Assistant Validation
27 Mar 202620:04
–cvelist
github
Github Security Blog		Langflow has Authenticated Code Execution in Agentic Assistant Validation
26 Mar 202618:31
–github
osv
OSV		ECHO-E568-958C-EC51
5 May 202618:23
–osv
osv
OSV		GHSA-V8HW-MH8C-JXFC Langflow has Authenticated Code Execution in Agentic Assistant Validation
26 Mar 202618:31
–osv
osv
OSV		PYSEC-2026-82
27 Mar 202621:17
–osv
ptsecurity
Positive Technologies		PT-2026-28544
26 Mar 202600:00
–ptsecurity
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NVD
Node
langflowlangflowRange<1.9.0
SourceLink
githubwww.github.com/langflow-ai/langflow/blob/f7f4d1e70ba5eecd18162ec96f3571c2cfbcd1fc/src/backend/base/langflow/agentic/services/assistant_service.py
githubwww.github.com/langflow-ai/langflow/blob/f7f4d1e70ba5eecd18162ec96f3571c2cfbcd1fc/src/backend/base/langflow/api/v1/login.py
githubwww.github.com/langflow-ai/langflow/blob/f7f4d1e70ba5eecd18162ec96f3571c2cfbcd1fc/src/lfx/src/lfx/custom/validate.py
githubwww.github.com/langflow-ai/langflow/blob/f7f4d1e70ba5eecd18162ec96f3571c2cfbcd1fc/src/backend/base/langflow/api/utils/core.py
githubwww.github.com/langflow-ai/langflow/blob/f7f4d1e70ba5eecd18162ec96f3571c2cfbcd1fc/src/backend/base/langflow/agentic/api/schemas.py
githubwww.github.com/langflow-ai/langflow/blob/f7f4d1e70ba5eecd18162ec96f3571c2cfbcd1fc/src/backend/base/langflow/services/auth/utils.py
githubwww.github.com/langflow-ai/langflow/blob/f7f4d1e70ba5eecd18162ec96f3571c2cfbcd1fc/src/backend/base/langflow/services/auth/utils.py
githubwww.github.com/langflow-ai/langflow/blob/f7f4d1e70ba5eecd18162ec96f3571c2cfbcd1fc/src/lfx/src/lfx/custom/validate.py
githubwww.github.com/langflow-ai/langflow/security/advisories/GHSA-v8hw-mh8c-jxfc
githubwww.github.com/langflow-ai/langflow/blob/f7f4d1e70ba5eecd18162ec96f3571c2cfbcd1fc/src/backend/base/langflow/agentic/helpers/code_extraction.py
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17 Jun 2026 10:38Current
CVSS 3.19.9
CVSS 49.3
EPSS0.01426
CWE-94
LangflowAgentic Assistantlanguage model codeserver side executionvalidation phasearbitrary executionversion 1.9.0
8