Open Redirect in org.springframework.security:spring-security-oauth2-authorization-server (CVE-2026-41008)
Summary
Vulnerability in org.springframework.security:spring-security-oauth2-authorization-server (CVE-2026-41008). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to 1.5.8 or later.
Original description
The description as published by the source.
Spring Security Authorization Server's authorization endpoint performs insufficient validation of the request_uri parameter. An attacker can craft a malicious authorization request containing an invalid request_uri and an arbitrary, unvalidated redirect_uri, which can lead to an Open Redirect vulnerability.
Affected versions:
Spring Security 7.0.0 through 7.0.5.
Spring Authorization Server 1.5.0 through 1.5.7.
Source: GitHub Security Advisories (Global) NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-41008 has been found in org.springframework.security:spring-security-oauth2-authorization-server.
Risk of unauthorized operations or information disclosure. CVSS score: 6.1/10.
What to do: upgrade org.springframework.security:spring-security-oauth2-authorization-server to 1.5.8 or later.
If unsure, ask your IT team or search "org.springframework.security:spring-security-oauth2-authorization-server CVE-2026-41008" on the vendor's site.
CVE-2026-41008 (org.springframework.security:spring-security-oauth2-authorization-server) — CWE-601 / CVSS v3 6.1
Attack vector: remote (network-reachable) / unauthenticated
Patched: 1.5.8 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-601) exists in org.springframework.security:spring-security-oauth2-authorization-server.
Check the vendor advisory for the affected versions of org.springframework.security:spring-security-oauth2-authorization-server.
Severity: Medium (CVSS 6.1/10). Risk of unauthorized operations or information disclosure.
Update to 1.5.8.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで org.springframework.security:spring-security-oauth2-authorization-server を使っているサービスとバージョンを洗い出す。
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2Apply patch patch
Upgrade org.springframework.security:spring-security-oauth2-authorization-server to 1.5.8ステージング環境で 1.5.8 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
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3Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
References
- advisory nvd.nist.gov
- package github.com
- web spring.io
- web github.com
- web github.com