CVE-2019-17598
Play Framework Inadequate Encryption Strength vulnerability
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2019-17598- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-326
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2019-17598- Updated
- 2026-11-02
EUVDEUVD-2022-2289 No score
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.
- Record
EUVD-2022-2289- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-442g-gcg6-mhm4
Play Framework Inadequate Encryption Strength vulnerability
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.
- Record
GHSA-442g-gcg6-mhm4- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-326
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2019-17598- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-442g-gcg6-mhm4
Play Framework Inadequate Encryption Strength vulnerability
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.
- Record
GHSA-442g-gcg6-mhm4- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-326
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
com.typesafe.play:play-ws_2.12Maven |
2.5.0 up to 2.6.24 | 2.6.24 |
com.typesafe.play:play-ws_2.12Maven |
2.5.0 up to 2.6.24, plus listed versions 2.6.02.6.0-M12.6.0-M22.6.0-M32.6.0-M4 Show 24 moreShow less2.6.0-M52.6.0-RC12.6.0-RC22.6.12.6.102.6.112.6.122.6.132.6.142.6.152.6.162.6.172.6.182.6.192.6.22.6.202.6.212.6.222.6.232.6.32.6.52.6.62.6.72.6.9 |
2.6.24 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-17598 is a high vulnerability (CVSS 7.5) in Lightbend Play Framework, published November 5, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.70%, the 53rd percentile. Fixed in com.typesafe.play:play-ws_2.12 2.6.24.