What’s Vulnerable › Vulnerabilities

CVE-2023-26137

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-07-06 · updated 2026-06-17
• Weakness: CWE-113

Description

All versions of the package drogonframework/drogon are vulnerable to HTTP Response Splitting when untrusted user input is used to build header values in the addHeader and addCookie functions. An attacker can add the \r\n (carriage return line feeds) characters to end the HTTP response headers and inject malicious content.

Affected products

• drogonframework/drogon: all versions

References

• https://gist.github.com/dellalibera/666d67165830ded052a1ede2d2c0b02a
• https://security.snyk.io/vuln/SNYK-UNMANAGED-DROGONFRAMEWORKDROGON-5665554
• https://gist.github.com/dellalibera/666d67165830ded052a1ede2d2c0b02a
• https://security.snyk.io/vuln/SNYK-UNMANAGED-DROGONFRAMEWORKDROGON-5665554

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