What’s Vulnerable › Vulnerabilities

CVE-2020-36567: Arbitrary log line injection in github.com/gin-gonic/gin

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-12-27 · updated 2026-06-17
• Weakness: CWE-116

Description

Unsanitized input in the default logger in github.com/gin-gonic/gin before v1.6.0 allows remote attackers to inject arbitrary log lines.

Affected products

• github.com/gin-gonic/gin: before 1.6.0 — fixed in 1.6.0

How to fix

Upgrade to a fixed version: github.com/gin-gonic/gin 1.6.0. Check the vendor advisory for mitigations.

References

• https://github.com/gin-gonic/gin/commit/a71af9c144f9579f6dbe945341c1df37aaf09c0d
• https://github.com/gin-gonic/gin/pull/2237
• https://pkg.go.dev/vuln/GO-2020-0001
• https://github.com/gin-gonic/gin/commit/a71af9c144f9579f6dbe945341c1df37aaf09c0d
• https://github.com/gin-gonic/gin/pull/2237
• https://pkg.go.dev/vuln/GO-2020-0001

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