CVE-2026-49846 libks - Path Traversal

libks < 2.0.11 contains a path traversal vulnerability caused by improper URI canonicalization in clean_uri() allowing embedded ".." sequences to bypass checks, letting attackers access arbitrary filesystem paths, exploit requires crafted URI with excessive path segments.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.50% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Path Traversal
Impact
File System Read, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
11 September 2026
Updated
15 October 2026
Weakness
CWE-22

Vendor fix

Update to version 2.0.11 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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