CVE-2023-26104

HIGHNVD 7.57.5—Elevated

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 59.7%
KEV: Not listed

Published

February 25, 2023

Last Modified

March 11, 2025

References (6)

report@snykhttps://gist.github.com/lirantal/637520812da06fffb91dd86d02ff6bde
report@snykhttps://github.com/chasyumen/lite-web-server/blob/main/src/WebServer.js%23L274
report@snykhttps://security.snyk.io/vuln/SNYK-JS-LITEWEBSERVER-3153703
af854a3a-2127-422b-91ae-364da2661108https://gist.github.com/lirantal/637520812da06fffb91dd86d02ff6bde
af854a3a-2127-422b-91ae-364da2661108https://github.com/chasyumen/lite-web-server/blob/main/src/WebServer.js%23L274
af854a3a-2127-422b-91ae-364da2661108https://security.snyk.io/vuln/SNYK-JS-LITEWEBSERVER-3153703

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
npm	lite-web-server	—	ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

npm(1)

Package	Vulnerable range	Fixed in	Dependents
lite-web-server	—	—	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-400Uncontrolled Resource Consumption (Denial of Service)

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 06:09 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch

Frequently asked(5)

What is CVE-2023-26104?

CVE-2023-26104 is a high vulnerability published on February 25, 2023. 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.

When was CVE-2023-26104 disclosed?

CVE-2023-26104 was first published in the National Vulnerability Database on February 25, 2023, with the most recent update on March 11, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-26104 actively exploited?

CVE-2023-26104 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 59.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-26104?

CVE-2023-26104 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2023-26104?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-26104, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-26104

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CVE-2023-26104

📅 Published

🔄 Last Modified

🔗 References (6)