How severe is CVE-2025-71333?

CVE-2025-71333 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-71333 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-71333?

CVE-2025-71333 affects Flowiseai Flowise. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-71333?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-71333 have an EU (EUVD) identifier?

Yes. CVE-2025-71333 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-210339.

When was CVE-2025-71333 published?

CVE-2025-71333 was published on 2026-06-25 and last updated on 2026-07-01.

CVE-2025-71333

CVE-2025-71333 is a critical-severity vulnerability in Flowiseai Flowise with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-73.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-210339
Weakness: CWE-73
Affected product: Flowiseai Flowise
Published: 2026-06-25
Last modified: 2026-07-01

Description

Flowise through 2.2.4 contains an unauthenticated arbitrary file upload vulnerability in the /api/v1/attachments endpoint when storageType is set to local. Attackers can exploit path traversal in the chatId and chatflowId parameters to upload malicious files to arbitrary directories, potentially enabling remote code execution and server compromise.

Frequently asked questions

What is CVE-2025-71333?: Flowise through 2.2.4 contains an unauthenticated arbitrary file upload vulnerability in the /api/v1/attachments endpoint when storageType is set to local. Attackers can exploit path traversal in the chatId and chatflowId parameters to upload malicious files to arbitrary directories, potentially enabling remote code execution and server compromise.
How severe is CVE-2025-71333?: CVE-2025-71333 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-71333 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-71333?: CVE-2025-71333 affects Flowiseai Flowise. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-71333?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-71333 have an EU (EUVD) identifier?: Yes. CVE-2025-71333 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-210339.
When was CVE-2025-71333 published?: CVE-2025-71333 was published on 2026-06-25 and last updated on 2026-07-01.

References

Affected products (1)

cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*

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