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CVE-2026-84649

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 2.447版本至2.579版本和Jenkins LTS 2.452.1版本至2.568.2版本存在跨站请求伪造漏洞，该漏洞源于用于提供动态生成的JavaScript资源的HTTP端点将用户的跨站请求伪造令牌（crumb）作为字符串字面量嵌入，控制与Jenkins同站点页面的攻击者可能获取目标用户会话的有效crumb并代表其执行操作。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.17% · P7

Affected Version Matrix 3

VendorProduct Version RangeStatus
Jenkins Project Jenkins 2.580< * unaffected
< 2.447 unaffected
2.568.3< 2.568.* unaffected
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I. Basic Information for CVE-2026-84649

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Stapler 1839.ved17667b_a_eb_5 through 2107.v8dfcb_e8ed317 (both inclusive), except 2088.2093.vd7c3e58008a_6, included in Jenkins 2.447 through 2.579 (both inclusive), LTS 2.452.1 through 2.568.2 (both inclusive), an HTTP endpoint serving dynamically generated JavaScript resources embeds the user's cross-site request forgery (CSRF) token (crumb) as a string literal, allowing attackers with control over a page hosted on the same site as Jenkins to obtain a valid crumb for the targeted user's session and perform actions on their behalf.
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 跨站请求伪造漏洞
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 2.447版本至2.579版本和Jenkins LTS 2.452.1版本至2.568.2版本存在跨站请求伪造漏洞，该漏洞源于用于提供动态生成的JavaScript资源的HTTP端点将用户的跨站请求伪造令牌（crumb）作为字符串字面量嵌入，控制与Jenkins同站点页面的攻击者可能获取目标用户会话的有效crumb并代表其执行操作。
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-2026-84649

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III. Intelligence Information for CVE-2026-84649

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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-2026-84651 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 &rarr; →

IV. Related Vulnerabilities

Same product: Jenkins
Same vendor: Jenkins Project

V. Comments for CVE-2026-84649

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