CVE-2024-22258

CVE-2024-22258: PKCE Downgrade in Spring Authorization Server

6.1 MediumFix available

Spring Authorization Server versions 1.0.0 - 1.0.5, 1.1.0 - 1.1.5, 1.2.0 - 1.2.2 and older unsupported versions are susceptible to a PKCE Downgrade Attack for Confidential Clients.

Specifically, an application is vulnerable when a Confidential Client uses PKCE for the Authorization Code Grant.

An application is not vulnerable when a Public Client uses PKCE for the Authorization Code Grant.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.53%Up 0.5 points since Mar 20, 2024

What each source reports

CVE List Score used 6.1

CVE-2024-22258: PKCE Downgrade in Spring Authorization Server

Spring Authorization Server versions 1.0.0 - 1.0.5, 1.1.0 - 1.1.5, 1.2.0 - 1.2.2 and older unsupported versions are susceptible to a PKCE Downgrade Attack for Confidential Clients.

Specifically, an application is vulnerable when a Confidential Client uses PKCE for the Authorization Code Grant.

An application is not vulnerable when a Public Client uses PKCE for the Authorization Code Grant.

Record: CVE-2024-22258
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-470
Updated: 2026-11-02

EUVDEUVD-2024-1035 6.1

Spring Authorization Server versions 1.0.0 - 1.0.5, 1.1.0 - 1.1.5, 1.2.0 - 1.2.2 and older unsupported versions are susceptible to a PKCE Downgrade Attack for Confidential Clients.

Specifically, an application is vulnerable when a Confidential Client uses PKCE for the Authorization Code Grant.

An application is not vulnerable when a Public Client uses PKCE for the Authorization Code Grant.

Record: EUVD-2024-1035
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-x637-x8p3-5p22 6.1

Improper Authentication in Spring Authorization Server

Spring Authorization Server versions 1.0.0 - 1.0.5, 1.1.0 - 1.1.5, 1.2.0 - 1.2.2 and older unsupported versions are susceptible to a PKCE Downgrade Attack for Confidential Clients.

Specifically, an application is vulnerable when a Confidential Client uses PKCE for the Authorization Code Grant.

An application is not vulnerable when a Public Client uses PKCE for the Authorization Code Grant.

Record: GHSA-x637-x8p3-5p22
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-287, CWE-470
Updated: 2026-11-02

NVD 6.1

Spring Authorization Server versions 1.0.0 - 1.0.5, 1.1.0 - 1.1.5, 1.2.0 - 1.2.2 and older unsupported versions are susceptible to a PKCE Downgrade Attack for Confidential Clients.

Specifically, an application is vulnerable when a Confidential Client uses PKCE for the Authorization Code Grant.

An application is not vulnerable when a Public Client uses PKCE for the Authorization Code Grant.

Record: CVE-2024-22258
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-470
Updated: 2026-11-02

OSVGHSA-x637-x8p3-5p22 6.1

Improper Authentication in Spring Authorization Server

Spring Authorization Server versions 1.0.0 - 1.0.5, 1.1.0 - 1.1.5, 1.2.0 - 1.2.2 and older unsupported versions are susceptible to a PKCE Downgrade Attack for Confidential Clients.

Specifically, an application is vulnerable when a Confidential Client uses PKCE for the Authorization Code Grant.

An application is not vulnerable when a Public Client uses PKCE for the Authorization Code Grant.

Record: GHSA-x637-x8p3-5p22
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-287, CWE-470
Updated: 2026-11-02

OSVUBUNTU-CVE-2024-22258 6.1

Spring Authorization Server versions 1.0.0 - 1.0.5, 1.1.0 - 1.1.5, 1.2.0 - 1.2.2 and older unsupported versions are susceptible to a PKCE Downgrade Attack for Confidential Clients. Specifically, an application is vulnerable when a Confidential Client uses PKCE for the Authorization Code Grant. An application is not vulnerable when a Public Client uses PKCE for the Authorization Code Grant.

Record: UBUNTU-CVE-2024-22258
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVCLSA-2026-1768522124 No score

TuxCare security update for org.springframework.security:spring-security-oauth2-authorization-server (1 CVE)

TuxCare rebuilt org.springframework.security:spring-security-oauth2-authorization-server to address 1 CVE. Fixed in 1.1.4-tuxcare.1.

Record: CLSA-2026-1768522124
Updated: 2026-11-02

OSVROOT-APP-MAVEN-CVE-2024-22258 No score

CVE-2024-22258 in io.root.org.springframework.security:spring-security-oauth2-authorization-server - Patched by Root

Root has patched CVE-2024-22258 in the io.root.org.springframework.security:spring-security-oauth2-authorization-server package for Root:Maven. Multiple fixed versions available.

Record: ROOT-APP-MAVEN-CVE-2024-22258
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`org.springframework.security:spring-security-oauth2-authorization-server` Maven	before 1.1.6	1.1.6
`org.springframework.security:spring-security-oauth2-authorization-server` Maven	1.2.0 up to 1.2.3	1.2.3
`org.springframework.security:spring-security-oauth2-authorization-server` TuxCare:Maven	1.1.4 up to 1.1.4-tuxcare.1	1.1.4-tuxcare.1
`org.springframework.security:spring-security-oauth2-authorization-server` Maven	before 1.1.6, plus listed versions 0.2.00.2.10.2.20.2.30.3.0 Show 18 moreShow less 0.3.10.4.00.4.10.4.20.4.30.4.40.4.51.0.01.0.11.0.21.0.31.0.41.1.01.1.11.1.21.1.31.1.41.1.5	1.1.6
`org.springframework.security:spring-security-oauth2-authorization-server` Maven	1.2.0 up to 1.2.3, plus listed versions 1.2.11.2.2	1.2.3
`io.root.org.springframework.security:spring-security-oauth2-authorization-server` Root:Maven	before 1.2.0-root.io.1	1.2.0-root.io.11.2.0-root.io.2
`org.springframework.security:spring-security-oauth2-authorization-server` Root:Maven	before 1.2.0-aikido.1	1.2.0-aikido.11.2.0-aikido.2
`spring` Ubuntu:16.04:LTS	All versions, plus listed versions 100.0+dfsg-2100.0+dfsg-2build1	None known
`spring` Ubuntu:18.04:LTS	All versions, plus listed versions 103.0+dfsg2-1103.0+dfsg2-1build1104.0+dfsg-2	None known
`spring` Ubuntu:20.04:LTS	All versions, plus listed versions 104.0+dfsg-3build2104.0+dfsg-4ubuntu1104.0+dfsg-4ubuntu2104.0+dfsg-4ubuntu5104.0+dfsg-4ubuntu6104.0+dfsg-4ubuntu7	None known

Show 5 moreShow less

Affected packages
Package	Affected	Fixed
`spring` Ubuntu:22.04:LTS	All versions, plus listed versions 105.0.1+dfsg-2105.0.1+dfsg-3ubuntu1105.0.1+dfsg-3ubuntu2105.0.1+dfsg-4	None known
`spring` Ubuntu:24.04:LTS	All versions, plus listed versions 106.0+dfsg-2106.0+dfsg-3106.0+dfsg-3build2106.0+dfsg-3build3	None known
`spring` Ubuntu:25.10	All versions, plus listed versions 106.0+dfsg-4	None known
`spring` Ubuntu:26.10	All versions, plus listed versions 106.0+dfsg-4106.0+dfsg-5	None known
`spring` Ubuntu:26.04:LTS	All versions, plus listed versions 106.0+dfsg-4	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, products, 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-2024-22258 is a medium vulnerability (CVSS 6.1) in Spring, published March 20, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.53%, the 44th percentile. Fixed in org.springframework.security:spring-security-oauth2-authorization-server 1.1.6.

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

What each source reports

Affected products

Affected packages

History

In short

References