Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-19880— Incomplete protection against CVE-2025-11226

Quick assessment

Affected
QOS.CH Sarl Logback-classic
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.

QOS.CH Sarl Logback-classic是QOS.CH Sarl团队的一个Java日志框架。 QOS.CH Sarl Logback-classic 0.9.14版本至1.6.2版本存在路径遍历漏洞，该漏洞源于基于MDC的判别器值未经过清理地流入嵌套的FileAppender路径，可能导致攻击者通过影响MDC值（如通过HTTP标头）在预期目录之外创建和追加日志文件。

CVSS 6.3 · Medium EPSS 0.33% · P24

Possible ATT&CK Techniques 1 AI

T1564.004 · NTFS File Attributes

Affected Version Matrix 2

VendorProduct Version RangeStatus
QOS.CH Sarl Logback-classic 0.9.14≤ 1.6.2 affected
1.6.3 unaffected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-19880

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Incomplete protection against CVE-2025-11226
Source: CVE Program / CVE List V5
Vulnerability Description
Path-traversal vulnerability in QOS.CH Sarl Logback-classic on Java (logback-classic module) allows path-traversal vulnerability. More specifically, an MDC-based discriminator value flows unsanitized into a nested FileAppender path, letting an attacker who influences that MDC value (e.g. via an HTTP header) create and append log files outside the intended directory. This issue affects Logback-classic: from 0.9.14 through 1.6.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/S:P/AU:N/RE:M/U:Green
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
QOS.CH Sarl Logback-classic 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QOS.CH Sarl Logback-classic是QOS.CH Sarl团队的一个Java日志框架。 QOS.CH Sarl Logback-classic 0.9.14版本至1.6.2版本存在路径遍历漏洞，该漏洞源于基于MDC的判别器值未经过清理地流入嵌套的FileAppender路径，可能导致攻击者通过影响MDC值（如通过HTTP标头）在预期目录之外创建和追加日志文件。
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
QOS.CH Sarl Logback-classic 0.9.14 ~ 1.6.2 -

II. Public POCs for CVE-2026-19880

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-19880

请登录查看更多情报信息。

Vendor Pages for CVE-2026-19880 (1)

IV. Related Vulnerabilities

Same product: Logback-classic
Same vendor: QOS.CH Sarl
Same weakness: CWE-22

V. Comments for CVE-2026-19880

No comments yet

Leave a comment