How severe is CVE-2023-35844?

CVE-2023-35844 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-35844 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-35844?

CVE-2023-35844 affects Lightdash. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-35844?

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

When was CVE-2023-35844 published?

CVE-2023-35844 was published on 2023-06-19 and last updated on 2026-06-17.

CVE-2023-35844

CVE-2023-35844 is a high-severity vulnerability in Lightdash with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Lightdash
Published: 2023-06-19
Last modified: 2026-06-17

Description

packages/backend/src/routers in Lightdash before 0.510.3 has insecure file endpoints, e.g., they allow .. directory traversal and do not ensure that an intended file extension (.csv or .png) is used.

Frequently asked questions

What is CVE-2023-35844?: packages/backend/src/routers in Lightdash before 0.510.3 has insecure file endpoints, e.g., they allow .. directory traversal and do not ensure that an intended file extension (.csv or .png) is used.
How severe is CVE-2023-35844?: CVE-2023-35844 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-35844 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-35844?: CVE-2023-35844 affects Lightdash. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-35844?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-35844 published?: CVE-2023-35844 was published on 2023-06-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:lightdash:lightdash:*:*:*:*:*:*:*:*

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