How severe is CVE-2023-26104?

CVE-2023-26104 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 none, integrity none, and availability high.

Is CVE-2023-26104 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26104?

CVE-2023-26104 affects Lite-web-server Project Lite-web-server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26104?

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-2023-26104 published?

CVE-2023-26104 was published on 2023-02-25 and last updated on 2026-06-17.

CVE-2023-26104

CVE-2023-26104 is a high-severity vulnerability in Lite-web-server Project Lite-web-server 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-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Lite-web-server Project Lite-web-server
Published: 2023-02-25
Last modified: 2026-06-17

Description

All versions of the package lite-web-server are vulnerable to Denial of Service (DoS) when an attacker sends an HTTP request and includes control characters that the decodeURI() function is unable to parse.

Frequently asked questions

What is CVE-2023-26104?: All versions of the package lite-web-server are vulnerable to Denial of Service (DoS) when an attacker sends an HTTP request and includes control characters that the decodeURI() function is unable to parse.
How severe is CVE-2023-26104?: CVE-2023-26104 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 none, integrity none, and availability high.
Is CVE-2023-26104 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26104?: CVE-2023-26104 affects Lite-web-server Project Lite-web-server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26104?: 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-2023-26104 published?: CVE-2023-26104 was published on 2023-02-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:lite-web-server_project:lite-web-server:-:*:*:*:*:node.js:*:*

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