CVE-2026-23926
Low
No strong exploitation signal.
CVSS base
6.8
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.3%
16.2th percentile
CISA KEV
Not listed
Weakness / dates
CWE-79
Published 2026-05-06 · modified 2026-09-18
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | H | High |
| User Interaction | R | Required |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2026-05-06 — Published (NVD)
- 2026-09-18 — Last modified (NVD)
Description
An authenticated (non-super) administrator can create a maintenance period with a JavaScript payload that is executed by any user that opens tooltip for that maintenance period in the Host navigator widget. This can allow the attacker to perform unauthorized actions depending on which user opens the tooltip.