CVE-2026-40503
MEDIUMOpenHarness Path Traversal Information Disclosure via /memory show
Title source: cnaDescription
OpenHarness prior to commit dd1d235 contains a path traversal vulnerability that allows remote gateway users with chat access to read arbitrary files by supplying path traversal sequences to the /memory show slash command. Attackers can manipulate the path input parameter to escape the project memory directory and access sensitive files accessible to the OpenHarness process without filesystem containment validation.
References (3)
Core 3
Core References
Issue Tracking issue-tracking
https://github.com/HKUDS/OpenHarness/pull/127
Third Party Advisory third-party-advisory
https://www.vulncheck.com/advisories/openharness-path-traversal-information-disclosure-via-memory-show
Scores
CVSS v3
6.5
EPSS
0.0041
EPSS Percentile
32.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-22
Status
published
Products (2)
hkuds/openharness
< 2026-04-13
HKUDS/OpenHarness
< dd1d235450dd987b20bff01b7bfb02fe8620a0af
Published
Apr 16, 2026
Tracked Since
Apr 16, 2026