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CVE

CVE-2026-44257

efw4.X: RCE via zipslip
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CVE

CVE-2026-44257

efw4.X: RCE via zipslip

efw4.X is an Enterprise Framework for Web. Prior to 4.08.010, efw.file.FileManager.unZip writes zip entries to disk using new File(baseDir, zipEntry.getName()) with no canonical-path check. An entry name such as ../../../pwned.jsp escapes the intended extraction directory and lands anywhere the Tomcat process can write — including the servlet context root. Combined with the framework's multipart /uploadServlet and an event that calls file.saveUploadFiles + FileManager.unZip, a remote attacker with no credentials drops a JSP webshell and executes arbitrary commands as the Tomcat user. This vulnerability is fixed in 4.08.010.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.3
-
4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
C
H
U
-

Related Resources

No items found.

References

https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44257.json, https://github.com/efwGrp/efw4.X/security/advisories/GHSA-q7jx-7x5r-r9f6, https://nvd.nist.gov/vuln/detail/CVE-2026-44257

Severity

0

CVSS Score
0
10

Basic Information

Base CVSS
0
EPSS Probability
0.00319%
EPSS Percentile
0.24867%
Introduced Version
0
Fix Available
fe952e6879803c0cc0ff06a565e9d942f12d4fc8

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