Guzzle: versions, end of support and vulnerabilities
Release branches of Guzzle with the latest version, the end of support and the vulnerabilities that are still open in the latest version.
The NVD lists 8 vulnerabilities for Guzzle, 0 of them actively exploited. Last checked on 03/11/2026.
Release branches
Guzzle 8
Latest version: 8.3.1, released on 25/10/2026
End of support: no date known
No known vulnerability open in 8.3.1
Guzzle 7
Latest version: 7.16.1, released on 25/10/2026
End of support: no date known
No known vulnerability open in 7.16.1
Guzzle 6
Latest version: 6.5.8, released on 20/06/2022
End of support: 31/10/2023
3 known vulnerabilities open in 6.5.8
Guzzle 5
Latest version: 5.3.4, released on 30/10/2019
End of support: 31/10/2019
8 known vulnerabilities open in 5.3.4
Guzzle 4
Latest version: 4.2.4, released on 15/07/2016
End of support: 31/10/2016
8 known vulnerabilities open in 4.2.4
Guzzle 3
Latest version: 3.8.1, released on 28/01/2014
End of support: 31/10/2016
8 known vulnerabilities open in 3.8.1
Most recent vulnerabilities of Guzzle
- CVE-2026-59883, CVSS 3.1: 6.1, 08/07/2026
- CVE-2026-55767, CVSS 3.1: 5.8, 23/06/2026
- CVE-2026-55568, CVSS 3.1: 5.9, 23/06/2026
- CVE-2022-31091, CVSS 3.1: 7.7, 27/06/2022
- CVE-2022-31090, CVSS 3.1: 7.7, 27/06/2022
- CVE-2022-31043, CVSS 3.1: 7.5, 10/06/2022
- CVE-2022-31042, CVSS 3.1: 7.5, 10/06/2022
- CVE-2022-29248, CVSS 3.1: 8.1, 25/05/2022
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