What’s Vulnerable › Vulnerabilities

CVE-2019-17598

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-11-05 · updated 2026-06-17
• Weakness: CWE-326

Description

An issue was discovered in Lightbend Play Framework 2.5.x through 2.6.23. When configured to make requests using an authenticated HTTP proxy, play-ws may sometimes, typically under high load, when connecting to a target host using https, expose the proxy credentials to the target host.

Affected products

• playframework: from 2.5.0 through 2.5.19; from 2.6.0 through 2.6.23

References

• https://www.playframework.com/security/vulnerability
• https://www.playframework.com/security/vulnerability/CVE-2019-17598-PlayWSHttpConnectAuthorizationHeaders
• https://www.playframework.com/security/vulnerability
• https://www.playframework.com/security/vulnerability/CVE-2019-17598-PlayWSHttpConnectAuthorizationHeaders

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