Security readout for executives and security teams
Plain-English summary
CVE-2025-71334 is a critical Flowise flaw that can let an unauthenticated attacker read or write files through exposed API functions. File write could lead to remote code execution. Organizations running vulnerable Flowise, especially internet-facing instances, should treat this as urgent.
Executive priority
Prioritize remediation immediately for exposed Flowise systems. The business risk is data theft, system tampering, and possible server takeover without authentication. Patch verification and exposure reduction should be tracked as an urgent security task.
Technical view
Flowise file handling does not adequately validate chatflowId and chatId as UUIDs or numbers. Path traversal input can reach storage read/write routines through chatflow and upload/download APIs. Sources state arbitrary file read and write are possible, and arbitrary write may enable remote code execution.
Likely exposure
Highest exposure is self-hosted or internet-accessible Flowise running affected versions before 3.0.6, including 2.2.8 and earlier per the advisory text. Internal-only deployments still carry risk if reachable by untrusted users or networks.
Exploitation context
The source bundle describes unauthenticated network exploitation and CVSS 9.8. It does not show CISA KEV listing or confirmed active exploitation. Public advisories and patch commits exist, so defenders should assume attacker awareness is likely.
Researcher notes
Evidence comes from CVE, GitHub advisory references, patch commits, and VulnCheck. The bundle’s version wording should be confirmed against vendor guidance before broad scoping. No exploit code is needed to understand impact; focus on unauthenticated file access paths and patched validation changes.
Mitigation direction
- Upgrade Flowise to version 3.0.6 or later if applicable.
- Review the GitHub advisory and patch commits for vendor-specific remediation details.
- Restrict public access to Flowise APIs until patched.
- Rotate secrets if logs or review suggest sensitive file exposure.
Validation and detection
- Inventory Flowise deployments and confirm exact versions.
- Identify any internet-facing Flowise instances.
- Review access logs for unusual file upload or download API activity.
- Verify chatflowId and chatId validation behavior after applying updates.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-73: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2025-71334 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
2 official scoresWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
9.3CriticalVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- GitHub Security Advisory (GHSA-q67q-549q-p849)CVE reference, VulnCheck · vendor-advisory
- https://github.com/FlowiseAI/Flowise/commit/8bd3de41533de78e4ef6c980e5704a1f9cb7ae6fCVE reference, VulnCheck · patch
- https://github.com/FlowiseAI/Flowise/commit/c2b830f279e454e8b758da441016b2234f220ac7CVE reference, VulnCheck · patch
- VulnCheck Advisory: Flowise - Arbitrary File Access via Missing Chat Flow ID ValidationCVE reference, VulnCheck · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
External Control of File Name or Path
External Control of File Name or Path represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.