CVE-2026-41838— Spring Framework Predictable Session ID in WebSocket Module
Possible ATT&CK Techniques 1AI
T1528 · Steal Application Access TokenAffected Version Matrix 4
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Spring | Spring Framework | 7.0.0< 7.0.7.1 | affected |
6.2.0< 6.2.18.1 | affected | ||
6.1.0< 6.1.28 | affected | ||
5.3.0< 5.3.49 | affected |
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-41838
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Spring Framework Predictable Session ID in WebSocket Module
Source: CVE Program / CVE List V5
Vulnerability Description
IDs for WebSocket sessions in the spring-websocket module are not cryptographically unpredictable, which may be possible to exploit in combination with inadequate authorization rules. Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用不充分的随机数
Source: CVE Program / CVE List V5
Vulnerability Title
VMware Spring Framework 安全特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
VMware Spring Framework是美国威睿（VMware）公司的一套开源的Java、JavaEE应用程序框架。该框架可帮助开发人员构建高质量的应用。 VMware Spring Framework 7.0.0至7.0.7版本、6.2.0至6.2.18版本、6.1.0至6.1.27版本和5.3.0至5.3.48版本存在安全特征问题漏洞，该漏洞源于spring-websocket模块中WebSocket会话ID不可预测，可能结合不充分的授权规则被利用。
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 Framework | 7.0.0 ~ 7.0.7.1 | - |
II. Public POCs for CVE-2026-41838
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-41838
请登录查看更多情报信息。
Vendor Advisories for CVE-2026-41838 (1)
Same Patch Batch · Spring · 2026-06-09 · 51 CVEs total
| CVE-2026-41717 | 8.1 HIGH | Spring Data MongoDB - SpEL Expression Injection via Annotated Query Parameter Binding |
| CVE-2026-41732 | 8.1 HIGH | In Spring for Apache Pulsar, overly broad trusted-package matching in header mapper expose |
| CVE-2026-41855 | 8.1 HIGH | Spring Framework Unsafe Deserialization via Jackson JMS Converters |
| CVE-2026-41729 | 8.1 HIGH | Spring Data REST SpEL Injection via Map Key in JSON Patch |
| CVE-2026-41731 | 8.1 HIGH | In Spring for Apache Kafka, overly broad trusted-package matching in header mappers expose |
| CVE-2026-41003 | 7.6 HIGH | Unencoded HTML Outputs in Spring Security May Allow Cross-Site Scripting |
| CVE-2026-41728 | 7.5 HIGH | Spring Data REST JSON Patch bypasses Jackson read-only property protection on nested objec |
| CVE-2026-40983 | 7.5 HIGH | Micrometer gRPC server instrumentation DoS vulnerability |
| CVE-2026-40984 | 7.5 HIGH | Micrometer HTTP server instrumentations DoS vulnerability |
| CVE-2026-40988 | 7.5 HIGH | Unbounded DEFLATE Inflation in SAML 2.0 Service Provider |
| CVE-2026-41850 | 7.5 HIGH | Spring Framework Algorithmic Denial of Service via SpEL Expressions |
| CVE-2026-41716 | 7.5 HIGH | Spring Data web support unbounded negative-result cache keyed on attacker-supplied propert |
| CVE-2026-41695 | 7.5 HIGH | Denial of Service in Spring Data Commons Property Path Resolution |
| CVE-2026-41849 | 7.5 HIGH | Spring Framework Denial of Service via Integer Overflow in SpEL Expressions |
| CVE-2026-41007 | 7.5 HIGH | Spring HATEOAS heap exhaustion through unbounded internal caching |
| CVE-2026-41006 | 7.5 HIGH | Spring HATEOAS Collection+JSON/UBER deserializers do not honor Jackson configuration |
| CVE-2026-41842 | 7.5 HIGH | Spring Framework Denial of Service via Versioned Resources in Spring MVC and WebFlux |
| CVE-2026-41720 | 7.4 HIGH | Authentication Bypass with Empty Password in Spring LDAP |
| CVE-2026-40993 | 7.3 HIGH | Unfiltered Java Native Deserialization of SAML 2.0 Asserting Party Credentials BLOB Databa |
| CVE-2026-41845 | 7.1 HIGH | Spring Framework Cross-site Scripting via JavaScriptUtils |
Showing top 20 of 51 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Spring Framework
- CVE-2026-41855
Spring Framework Unsafe Deserialization via Jackson JMS Conv - CVE-2026-41854
Spring Framework Server-Side Request Forgery via UriComponen - CVE-2026-41853
Spring Framework Multipart Request Smuggling in Spring MVC a - CVE-2026-41852
Spring Framework Arbitrary Method Invocation in SpEL Express - CVE-2026-41851
Spring Framework Denial of Service via Unbounded Cache in Sp
Same vendor: Spring
- CVE-2026-59326
HTTP Proxy Credentials Logged in Plaintext by the Spring Boo - CVE-2026-59328
Cross-Site Scripting in Eclipse Spring Boot Starter Wizard D - CVE-2026-59327
Cleartext Storage of Spring Boot DevTools Remote Secret in E - CVE-2026-47882
Spring Boot DevTools remote secret generated with a non-cryp - CVE-2026-47873
Spring Tools Docker integration publishes unauthenticated de
Same weakness: CWE-330
- CVE-2026-19896
mangroup dtale Flask Session Cookie app.py build_secret_key - CVE-2026-18531
IBM MAS uses axios-1.15.2, protobufjs-8.0.1 and undici-7.26 - CVE-2026-71225
Libkcapi: iv reuse in libkcapi one-shot symmetric cipher chu - CVE-2026-66391
Apache Wicket: leaked and missing CSP headers - CVE-2026-46351
BigBlueButton: Insecure Randomness allows to guess user's co
V. Comments for CVE-2026-41838
No comments yet