How severe is CVE-2026-3345?

CVE-2026-3345 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-3345 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3345?

CVE-2026-3345 affects Langflow Langflow Desktop. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3345?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-3345 have an EU (EUVD) identifier?

Yes. CVE-2026-3345 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26441.

When was CVE-2026-3345 published?

CVE-2026-3345 was published on 2026-04-30 and last updated on 2026-06-17.

CVE-2026-3345

CVE-2026-3345 is a medium-severity vulnerability in Langflow Langflow Desktop with a CVSS 3.x base score of 6.5. 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-22.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26441
Weakness: CWE-22
Affected product: Langflow Langflow Desktop
Published: 2026-04-30
Last modified: 2026-06-17

Description

IBM Langflow Desktop <=1.8.4 Langflow could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system.

Frequently asked questions

What is CVE-2026-3345?: IBM Langflow Desktop <=1.8.4 Langflow could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system.
How severe is CVE-2026-3345?: CVE-2026-3345 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-3345 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3345?: CVE-2026-3345 affects Langflow Langflow Desktop. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3345?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-3345 have an EU (EUVD) identifier?: Yes. CVE-2026-3345 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26441.
When was CVE-2026-3345 published?: CVE-2026-3345 was published on 2026-04-30 and last updated on 2026-06-17.

References

https://www.ibm.com/support/pages/node/7271094

Affected products (1)

cpe:2.3:a:langflow:langflow_desktop:*:*:*:*:*:*:*:*

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