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CVE-2026-45392— DOM-based XSS in Cribl Stream

Quick assessment

Affected
Cribl Cribl Stream
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.

Cribl是一款日志分析工具。 Cribl 4.17.1之前版本存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。

CVSS 8.7 · High EPSS 0.52% · P43

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Cribl Cribl Stream < 4.17.1 affected
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I. Basic Information for CVE-2026-45392

Vulnerability Information
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Vulnerability Title
DOM-based XSS in Cribl Stream
Source: CVE Program / CVE List V5
Vulnerability Description
DOM-based cross-site scripting (XSS) in Cribl Stream before 4.17.1 allows a remote attacker to execute arbitrary JavaScript in the browser of an authenticated user who is tricked into visiting a crafted URL and interacting with the page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Cribl 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cribl是一款日志分析工具。 Cribl 4.17.1之前版本存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
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
Cribl Cribl Stream 0 ~ 4.17.1 -

II. Public POCs for CVE-2026-45392

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III. Intelligence Information for CVE-2026-45392

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Vendor Advisories for CVE-2026-45392 (1)

Vendor Pages for CVE-2026-45392 (1)

Same Patch Batch · Cribl · 2026-05-12 · 3 CVEs total

CVE-2026-45391 7.8 HIGH Local privilege escalation in Cribl Edge for Linux
CVE-2026-45393 7.8 HIGH Local privilege escalation to SYSTEM in Cribl Edge for Windows

IV. Related Vulnerabilities

Same product: Cribl Stream
Same vendor: Cribl
Same weakness: CWE-79