CVE-2026-22677

May 14, 2026, 4:24 p.m.

6.0
Medium

Description

Hermes WebUI prior to 0.51.44 - Release T contains a path traversal vulnerability in the session import endpoint that allows authenticated attackers to read arbitrary files by importing a crafted session with an unrestricted workspace value. Attackers can supply a blocked filesystem root in the workspace field and subsequently use relative paths in the session file API to access any file readable by the WebUI process.

Product(s) Impacted

Vendor Product Versions
Hermes
  • Hermes Webui
  • <0.51.44

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a hermes hermes_webui <0.51.44 / / / / / / /

References

https://github.com/nesquena/hermes-webui/commit/f00cb74f776f22f02f5eb6b39dfb389f87cc7fd3
https://github.com/nesquena/hermes-webui/pull/2048
https://github.com/nesquena/hermes-webui/releases/tag/v0.51.44
https://www.vulncheck.com/advisories/hermes-webui-path-traversal-via-session-import-endpoint
https://github.com/nesquena/hermes-webui/pull/2048

Tags

CWE-22
[email protected]
2026-05-13
CVE-2026-22677

CVSS Score

6.0 / 10

CVSS Data - 4.0

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Attack Requirements: PRESENT
  • Privileges Required: LOW
  • User Interaction: NONE
  • Scope:
  • Confidentiality Impact: HIGH
  • Integrity Impact: NONE
  • Availability Impact: NONE
  • Exploit Maturity: NOT_DEFINED

    • CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/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

    View Vector String

Timeline

Published: May 13, 2026, 7:17 p.m.
Last Modified: May 14, 2026, 4:24 p.m.

Status : Deferred

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.