CVE-2023-26104 json
Denial of Service vulnerability in lite-web-server
published 2023-02-25 3 y ago modified 2026-06-17 4 mo ago also GHSA-8237-3q5g-99fv , EUVD-2023-0659
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 19 mo ago
Exploit prediction
1.17% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- gist.github.com https://gist.github.com/lirantal/637520812da06fffb91dd86d02ff6bde referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | lite-web-server | <=1.2.2 |
no fix listed |
Affected products
- n/a lite-web-server
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
-
gist.github.com
/lirantal/637520812da06fffb91dd86d02ff6bde
web, exploit, third-party-advisory
-
security.snyk.io
/vuln/SNYK-JS-LITEWEBSERVER-3153703
web, third-party-advisory
-
github.com
/chasyumen/lite-web-server/blob/main/src/WebServer.js%23L274
broken-link
-
nvd.nist.gov
/vuln/detail/CVE-2023-26104
advisory
-
github.com
/chasyumen/lite-web-server
package
-
github.com
/chasyumen/lite-web-server/blob/main/src/WebServer.js#23L274
web
Sources
- CVE List CVE-2023-26104
- GitHub Advisory GHSA-8237-3q5g-99fv
- NVD CVE-2023-26104
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