What is CVE-2023-26138?

CVE-2023-26138 is a medium-severity vulnerability in Drogon, classified under CRLF Injection. CVSS score: 5.4/10. Published 2023-07-06.

How severe is CVE-2023-26138?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2023-26138 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Drogon

CVE-2023-26138

All versions of the package drogonframework/drogon are vulnerable to CRLF Injection when untrusted user input is used to set request headers in the addHeader function. An attacker can add the \r\n (carriage return line feeds) characters and inject additional headers in the request sent.

Vulnerability class: CRLF Injection

EPSS: 0.004 (34.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Drogon
N/a Drogonframework/drogon — versions 0

Weakness classification (CWE)

Public proof-of-concept exploits

dellalibera/dellalibera

References

report@snyk.io (Third Party Advisory)
report@snyk.io (Exploit)

Frequently asked questions

What is CVE-2023-26138?: CVE-2023-26138 is a medium-severity vulnerability in Drogon, classified under CRLF Injection. CVSS score: 5.4/10. Published 2023-07-06.
How severe is CVE-2023-26138?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2023-26138 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.