How severe is CVE-2025-71338?

CVE-2025-71338 has a CVSS 3.x base score of 10.0, 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-2025-71338 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-71338?

CVE-2025-71338 affects Flowiseai Flowise. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-71338?

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-2025-71338 have an EU (EUVD) identifier?

Yes. CVE-2025-71338 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-210343.

When was CVE-2025-71338 published?

CVE-2025-71338 was published on 2026-06-25 and last updated on 2026-09-30.

CVE-2025-71338

CVE-2025-71338 is a critical-severity vulnerability in Flowiseai Flowise with a CVSS 3.x base score of 10.0. 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 10.0)
CVSS v4: 10.0
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-210343
Weakness: CWE-73
Affected product: Flowiseai Flowise
Published: 2026-06-25
Last modified: 2026-09-30

Description

Flowise through 2.2.7 fails to sanitize path segments in the document-store loader endpoint, allowing unauthenticated attackers to write files outside the storage directory. Attackers can use parent-directory sequences to escape the storage directory and overwrite application files loaded at boot for remote code execution.

Frequently asked questions

What is CVE-2025-71338?: Flowise through 2.2.7 fails to sanitize path segments in the document-store loader endpoint, allowing unauthenticated attackers to write files outside the storage directory. Attackers can use parent-directory sequences to escape the storage directory and overwrite application files loaded at boot for remote code execution.
How severe is CVE-2025-71338?: CVE-2025-71338 has a CVSS 3.x base score of 10.0, 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-2025-71338 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-71338?: CVE-2025-71338 affects Flowiseai Flowise. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-71338?: 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-2025-71338 have an EU (EUVD) identifier?: Yes. CVE-2025-71338 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-210343.
When was CVE-2025-71338 published?: CVE-2025-71338 was published on 2026-06-25 and last updated on 2026-09-30.

References

Affected products (1)

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

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Threat intelligence

Threat-intel indicators referencing this CVE:

18.228.228.159 (ipv4-addr)
3.19.213.118 (ipv4-addr)
51.17.154.141 (ipv4-addr)