Vulnerability · Published Oct 13, 2026 · Assigned by ibm

CVE-2026-79715IBM WebSphere Application Server Liberty Path Traversal

Medium 5.5

In plain English

A medium-severity path traversal in WebSphere Application Server - Liberty from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium

Exploit odds (30 days)0.1%top 96.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 could allow a local attacker to traverse directories on the system. An attacker could use a specially crafted application archive to write files outside the intended directory.

Affected products (as reported)

Vendor	Product	Versions
IBM	WebSphere Application Server - Liberty	17.0.0.3 – through 26.0.0.9

Weakness: CWE-22 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

References

https://www.ibm.com/support/pages/node/7291394 vendor-advisory, patch