What’s Vulnerable › Vulnerabilities

CVE-2019-19703

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-12-10 · updated 2026-06-17
• Weakness: CWE-601

Description

In Ktor through 1.2.6, the client resends data from the HTTP Authorization header to a redirect location.

Affected products

• JetBrains Ktor: through 1.2.6

References

• https://github.com/ktorio/ktor/issues/1467
• https://github.com/ktorio/ktor/issues/1467

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