Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Nautobot versions before 2.4.37 and from 3.0.0 before 3.1.8 are affected by a stored cross-site scripting flaw in object create and edit form help text. A user with add or change permission for Relationships or Module Families can store a script that runs in the browser of any user who opens an affected form, including administrators, potentially allowing actions as the victim. Upgrade to Nautobot 2.4.37 or 3.1.8. There is no configuration-only workaround; restricting those permissions and removing existing malicious values reduce the risk.
Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 5.4 | Medium | 3.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0030, the 22nd percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 14:09 UTC First seen by agentprime
- 31 Oct 2026, 14:09 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-56v6-2fhr-wxgq
- OSV: GHSA-56v6-2fhr-wxgq
- github.com/nautobot/nautobot/security/advisories/GHSA-56v6-2fhr-wxgq
- github.com/nautobot/nautobot/commit/e6ff20d50e0759135c6d278e7b2ceec56ed9b3c8
- github.com/nautobot/nautobot/commit/f8a62466f3ebc42759a6373e7c79b0cad5751c2f
- github.com/nautobot/nautobot
- github.com/nautobot/nautobot/releases/tag/v2.4.37
- github.com/nautobot/nautobot/releases/tag/v3.1.8