CVE-2026-47877— Spring Security Authorization Server Default Consent Page is vulnerable to Cross-Site Scripting (XSS)
Quick assessment
Affected
Spring Spring Security
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
VMware Spring Security是美国VMware公司开源的一套为Spring应用提供安全保护的安全框架。 VMware Spring Security 7.1.0版本和7.0.0版本至7.0.6版本存在安全漏洞，该漏洞源于Spring Security授权服务器的默认同意页面未对用户可控值进行HTML实体编码，可能导致跨站脚本攻击。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Spring | Spring Security | 7.1.0 |
affected |
7.0.0≤ 7.0.6 |
affected |
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I. Basic Information for CVE-2026-47877
Vulnerability Information
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Vulnerability Title
Spring Security Authorization Server Default Consent Page is vulnerable to Cross-Site Scripting (XSS)
Source: CVE Program / CVE List V5
Vulnerability Description
Spring Security Authorization Server's default consent page renders user-controlled values without HTML entity encoding.
Spring Security 7.1.0
Spring Security 7.0.0 - 7.0.6
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
VMware Spring Security 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
VMware Spring Security是美国VMware公司开源的一套为Spring应用提供安全保护的安全框架。 VMware Spring Security 7.1.0版本和7.0.0版本至7.0.6版本存在安全漏洞，该漏洞源于Spring Security授权服务器的默认同意页面未对用户可控值进行HTML实体编码，可能导致跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Spring | Spring Security | 7.1.0 | - |
|
II. Public POCs for CVE-2026-47877
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Pages for CVE-2026-47877 (1)
Same Patch Batch · Spring · 2026-08-27 · 64 CVEs total
| CVE-2026-59270 | 9.4 CRITICAL | Spring Security embedded UnboundID LDAP server exposes well-known administrative bind DN o |
| CVE-2026-59324 | 8.2 HIGH | fluxTransform shared RequestMessageHolder causes cross-message header leakage under async |
| CVE-2026-59316 | 8.2 HIGH | Spring Authorization Server Default Consent Page is vulnerable to Cross-Site Scripting (XS |
| CVE-2026-59307 | 8.0 HIGH | Deserialization allow-list silently bypassed: setBeanClassLoader replaces deserializer but |
| CVE-2026-47879 | 7.7 HIGH | Spring Cloud Gateway SSRF and native file access with gRPC |
| CVE-2026-47849 | 7.1 HIGH | Spring Data REST allows mutation of identifier and version properties via JSON Patch |
| CVE-2026-59311 | 6.8 MEDIUM | Fixed predictable /tmp/ziptransformer work directory enables symlink pre-creation |
| CVE-2026-59272 | 6.8 MEDIUM | Log4j2 AmqpAppender disables TLS hostname verification by default |
| CVE-2026-59284 | 6.6 MEDIUM | Spring Cloud Commons no allow list for writable env actuator endpoint |
| CVE-2026-59293 | 6.6 MEDIUM | SMB minimum protocol dialect defaults to SMB1 |
| CVE-2026-59275 | 6.6 MEDIUM | Remote JVM termination: nested-array Java deserialization bypasses allowlist, triggers Sta |
| CVE-2026-59317 | 6.5 MEDIUM | In Spring for Apache Kafka, missing header validation in DeadLetterPublishingRecovererFact |
| CVE-2026-59274 | 6.5 MEDIUM | Unbounded decompression in UnZipTransformer enables zip-bomb DoS |
| CVE-2026-59278 | 6.5 MEDIUM | In Spring for Apache Kafka, SSRF via DNS resolution triggered by untrusted java.net types |
| CVE-2026-59320 | 6.5 MEDIUM | In Spring AMQP the link credit never replenished on listener exception path |
| CVE-2026-47864 | 6.4 MEDIUM | Unsafe Java deserialization in SerializingHttpMessageConverter — remote code execution |
| CVE-2026-59322 | 6.3 MEDIUM | EmbeddedHeadersJsonMessageMapper default gives wire peer full control of MessageHeaders |
| CVE-2026-59294 | 5.9 MEDIUM | Arbitrary File Write via Path Traversal in ResourceCacheService |
| CVE-2026-47881 | 5.9 MEDIUM | Denial of Service in Spring Batch FlatFileItemReader via Malformed Input File |
| CVE-2026-59276 | 5.9 MEDIUM | Timing Attack via Non-Constant-Time Comparison of Sensitive Values |
Showing top 20 of 64 CVEs. View all on vendor page → →
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