CVE-2026-84652
Quick assessment
Affected
Jenkins Project Jenkins
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.
Jenkins是Jenkins组织开源的一款持续集成与持续交付的自动化服务器。 Jenkins 2.579及之前版本和Jenkins LTS 2.568.2及之前版本存在安全漏洞，该漏洞源于用户通过“记住我”Cookie进行身份验证时未轮换会话，可能导致攻击者设置已知会话Cookie，在受害者认证后以该用户身份访问Jenkins。
Affected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Jenkins Project | Jenkins | 2.580< * |
unaffected |
2.568.3< 2.568.* |
unaffected |
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I. Basic Information for CVE-2026-84652
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, Jenkins does not rotate the session when a user is authenticated via the "remember me" cookie, allowing attackers able to serve content on the same site as Jenkins to set a known session cookie in the victim's browser, which after the victim authenticates via the "remember me" cookie, grants the attacker access to Jenkins as that user.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Jenkins 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Jenkins是Jenkins组织开源的一款持续集成与持续交付的自动化服务器。 Jenkins 2.579及之前版本和Jenkins LTS 2.568.2及之前版本存在安全漏洞，该漏洞源于用户通过“记住我”Cookie进行身份验证时未轮换会话，可能导致攻击者设置已知会话Cookie，在受害者认证后以该用户身份访问Jenkins。
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 |
|---|---|---|---|---|
| Jenkins Project | Jenkins | 2.580 ~ * | - |
|
II. Public POCs for CVE-2026-84652
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Jenkins Project · 2026-09-02 · 33 CVEs total
| CVE-2026-84661 | Jenkins Pipeline: Build Step Plugin 授权问题漏洞 | |
| CVE-2026-84645 | Jenkins 输入验证错误漏洞 | |
| CVE-2026-84646 | Jenkins 反序列化注入漏洞 | |
| CVE-2026-84647 | Jenkins 反序列化注入漏洞 | |
| CVE-2026-84648 | Jenkins 跨站脚本漏洞 | |
| CVE-2026-84650 | Jenkins 反序列化注入漏洞 | |
| CVE-2026-84649 | Jenkins 跨站请求伪造漏洞 | |
| CVE-2026-84651 | Jenkins 权限许可和访问控制问题漏洞 | |
| CVE-2026-84653 | Jenkins 安全漏洞 | |
| CVE-2026-84654 | Jenkins 输入验证错误漏洞 | |
| CVE-2026-84655 | Jenkins 输出处理不当漏洞 | |
| CVE-2026-84656 | Jenkins 授权问题漏洞 | |
| CVE-2026-84657 | Jenkins 授权问题漏洞 | |
| CVE-2026-84658 | Jenkins Script Security Plugin 信息泄露漏洞 | |
| CVE-2026-84660 | Jenkins Pipeline: Build Step Plugin 授权问题漏洞 | |
| CVE-2026-84659 | Jenkins Script Security Plugin 授权问题漏洞 | |
| CVE-2026-84677 | Jenkins update-center2 跨站脚本漏洞 | |
| CVE-2026-84662 | Jenkins LDAP Plugin 输入验证错误漏洞 | |
| CVE-2026-84663 | Jenkins Pipeline: Groovy Libraries Plugin 跨站请求伪造漏洞 | |
| CVE-2026-84665 | Jenkins SonarQube Scanner Plugin 跨站脚本漏洞 |
Showing top 20 of 33 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2026-84652
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