How severe is CVE-2025-26319?

CVE-2025-26319 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-2025-26319 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 51% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-26319?

CVE-2025-26319 affects Flowiseai Flowise. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-26319?

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-2025-26319 have an EU (EUVD) identifier?

Yes. CVE-2025-26319 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6168.

When was CVE-2025-26319 published?

CVE-2025-26319 was published on 2025-03-04 and last updated on 2026-06-17.

CVE-2025-26319

CVE-2025-26319 is a critical-severity vulnerability in Flowiseai Flowise with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 51% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 51% (99th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-6168
Weakness: CWE-434
Affected product: Flowiseai Flowise
Published: 2025-03-04
Last modified: 2026-06-17

Description

FlowiseAI Flowise v2.2.6 was discovered to contain an arbitrary file upload vulnerability in /api/v1/attachments.

Frequently asked questions

What is CVE-2025-26319?: FlowiseAI Flowise v2.2.6 was discovered to contain an arbitrary file upload vulnerability in /api/v1/attachments.
How severe is CVE-2025-26319?: CVE-2025-26319 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-2025-26319 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 51% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-26319?: CVE-2025-26319 affects Flowiseai Flowise. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-26319?: 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-2025-26319 have an EU (EUVD) identifier?: Yes. CVE-2025-26319 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6168.
When was CVE-2025-26319 published?: CVE-2025-26319 was published on 2025-03-04 and last updated on 2026-06-17.

References

https://github.com/dorattias/CVE-2025-26319

Affected products (1)

cpe:2.3:a:flowiseai:flowise:2.2.6:-:*:*:*:*:*:*

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