Medium severity6.3NVD Advisory· Published Jun 22, 2026· Updated Jun 22, 2026

CVE-2026-12821

Description

A vulnerability was determined in FlowiseAI Flowise up to 3.1.2. The impacted element is an unknown function of the file packages/components/nodes/documentloaders/S3/S3.ts of the component S3 Document Loader. Executing a manipulation can lead to path traversal. It is possible to launch the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Flowiseai/Flowiseinferred2 versions
<=3.1.2+ 1 more
- (no CPE)range: <=3.1.2
- (no CPE)range: <=3.1.2

Patches

Vulnerability mechanics

References

github.com/dxz0069/softwareoverflow/blob/main/flowise_s3_loader_object_key_path_traversal_vulndb.mdnvd
vuldb.com/cve/CVE-2026-12821nvd
vuldb.com/submit/837578nvd
vuldb.com/vuln/372611nvd
vuldb.com/vuln/372611/ctinvd

News mentions

Flowise: Nine Vulnerabilities Including RCE and SSRF Disclosed in Batch
Vypr Intelligence · Jun 23, 2026

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