CVE-2026-84650
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LTS 2.568.2及之前版本存在安全漏洞，该漏洞源于反序列化时无法排除瞬态字段，允许能够提交配置更新的攻击者指定将被反序列化的瞬态字段值，其影响取决于这些字段的具体使用方式。
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-2026-84650
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, transient fields cannot be excluded from deserialization, allowing attackers able to submit configuration updates to specify the values of transient fields that will be deserialized, the impact depending on how those fields are used.
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 反序列化注入漏洞
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LTS 2.568.2及之前版本存在安全漏洞，该漏洞源于反序列化时无法排除瞬态字段，允许能够提交配置更新的攻击者指定将被反序列化的瞬态字段值，其影响取决于这些字段的具体使用方式。
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-2026-84650
| # | 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-2026-84649 | 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-2026-84652 | 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-2026-84650
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