CVE-2023-3432

Server-Side Request Forgery (SSRF) in plantuml/plantuml

7.2 HighFix available

Server-Side Request Forgery (SSRF) in GitHub repository plantuml/plantuml prior to 1.2023.9.

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: Low
Integrity: Low
Availability: None

Exploit likelihood

0.87%Up 0.8 points since Jun 28, 2023

What each source reports

CVE List Score used 7.2

Server-Side Request Forgery (SSRF) in plantuml/plantuml

Server-Side Request Forgery (SSRF) in GitHub repository plantuml/plantuml prior to 1.2023.9.

Record: CVE-2023-3432
CVSS 3.0: 7.2 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Weakness: CWE-918
Updated: 2026-11-02

EUVDEUVD-2023-1782 7.2

Server-Side Request Forgery (SSRF) in GitHub repository plantuml/plantuml prior to 1.2023.9.

Record: EUVD-2023-1782
CVSS 3.0: 7.2 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-ff3m-68vj-h86p 7.2

PlantUML Server-Side Request Forgery vulnerability

Server-Side Request Forgery (SSRF) in GitHub repository plantuml/plantuml prior to 1.2023.9.

Record: GHSA-ff3m-68vj-h86p
CVSS 3.0: 7.2 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Weakness: CWE-918
Updated: 2026-11-02

NVD 10.0

Server-Side Request Forgery (SSRF) in GitHub repository plantuml/plantuml prior to 1.2023.9.

Record: CVE-2023-3432
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
CVSS 3.0: 7.2 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Weakness: CWE-918
Updated: 2026-11-02

OSV 7.2

Server-Side Request Forgery (SSRF) in plantuml/plantuml

Server-Side Request Forgery (SSRF) in GitHub repository plantuml/plantuml prior to 1.2023.9.

Record: CVE-2023-3432
CVSS 3.0: 7.2 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Weakness: CWE-918
Updated: 2026-11-02

OSVDEBIAN-CVE-2023-3432 10.0

Server-Side Request Forgery (SSRF) in GitHub repository plantuml/plantuml prior to 1.2023.9.

Record: DEBIAN-CVE-2023-3432
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Updated: 2026-11-02

OSVGHSA-ff3m-68vj-h86p 7.2

PlantUML Server-Side Request Forgery vulnerability

Server-Side Request Forgery (SSRF) in GitHub repository plantuml/plantuml prior to 1.2023.9.

Record: GHSA-ff3m-68vj-h86p
CVSS 3.0: 7.2 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Weakness: CWE-918
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`net.sourceforge.plantuml:plantuml-mit` Maven	before 1.2023.9	1.2023.9
`net.sourceforge.plantuml:plantuml` Maven	before 1.2023.9	1.2023.9
`plantuml` Debian:12	All versions, plus listed versions 1:1.2020.2+ds-31:1.2020.2+ds-41:1.2020.2+ds-51:1.2020.2+ds-61:1.2026.2+ds-11:1.2026.2+ds-21:1.2026.2+ds-3	None known
`plantuml` Debian:13	All versions, plus listed versions 1:1.2020.2+ds-61:1.2026.2+ds-11:1.2026.2+ds-21:1.2026.2+ds-3	None known
`plantuml` Debian:14	All versions, plus listed versions 1:1.2020.2+ds-61:1.2026.2+ds-11:1.2026.2+ds-21:1.2026.2+ds-3	None known
`net.sourceforge.plantuml:plantuml-mit` Maven	before 1.2023.9, plus listed versions 1.2023.71.2023.8	1.2023.9
`net.sourceforge.plantuml:plantuml` Maven	before 1.2023.9, plus listed versions 1.2017.121.2017.131.2017.141.2017.151.2017.16 Show 45 moreShow less 1.2017.181.2017.191.2017.201.2018.01.2018.11.2018.101.2018.111.2018.121.2018.131.2018.141.2018.21.2018.31.2018.41.2018.51.2018.61.2018.71.2018.81.2018.91.2019.01.2019.11.2019.101.2019.111.2019.121.2019.131.2019.21.2019.31.2019.41.2019.51.2019.61.2019.71.2019.81.2019.91.2020.01.2020.11.2020.101.2020.111.2020.121.2020.131.2020.141.2020.151.2020.161.2020.171.2020.181.2020.191.2020.2	1.2023.9

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-3432 is a high vulnerability (CVSS 7.2) in Plantuml, published June 27, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.87%, the 59th percentile. Fixed in net.sourceforge.plantuml:plantuml-mit 1.2023.9.

References

This page doesn't list everything

Left out here: 49 versions. The JSON record has them.