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🛡️ CVE-2025-49143 — nautobot

🟡 CVSS 5.9 — Medium ✅ No Known Exploit CWE-200 OSV
5.9
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Nautobot may allows uploaded media files to be accessible without authentication

Impact

Files uploaded by users to Nautobot's MEDIA_ROOT directory, including DeviceType image attachments as well as images attached to a Location, Device, or Rack, are served to users via a URL endpoint that was not enforcing user authentication. As a consequence, such files can be retrieved by anonymous users who know or can guess the correct URL for a given file.

For DeviceType image attachments, a mitigating factor is that no URL endpoint exists for listing the contents of the devicetype-images/ subdirectory, and the file names are as specified by the uploading user, so any given DeviceType image attachment can only be retrieved by correctly guessing its file name.

Similarly, for all other image attachments, while the images *can* be listed by accessing the /api/extras/image-attachments/ endpoint *as an authenticated user only*, absent that authenticated access, accessing the files would again require guessing file names correctly.

Patches

Nautobot v2.4.10 and v1.6.32 will address this issue by adding enforcement of Nautobot user authentication to this endpoint.

Workarounds

No workaround other than applying the patch given in https://github.com/nautobot/nautobot/pull/6672 (2.x) or https://github.com/nautobot/nautobot/pull/6703 (1.6)

References

_Are there any links users can visit to find out more?_

  • https://github.com/nautobot/nautobot/commit/9c892dc300429948a4714f743c9c2879d8987340
  • https://github.com/nautobot/nautobot/commit/d99a53b065129cff3a0fa9abe7355a9ef1ad4c95

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. Rated impact: confidentiality low, integrity none, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
  • Attack requirements: Present — the target has to be in a particular state for the attack to work.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Confidentiality impact: Low — limited, and the attacker does not choose what is affected.
  • Integrity impact: None.
  • Availability impact: None.

Weakness class

CVE-2025-49143 is classified as CWE-200: Exposure of Sensitive Information. Information that should stay internal is disclosed to someone who is not authorised to see it.

Affected software

CVE-2025-49143 is recorded against 1 package.

  • nautobot (from 2.0.0 up to 2.4.10)

Timeline and source

Published on 10 June 2025 and last revised on 7 July 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from OSV.

References

github.com (Web)
nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
github.com (Web)
github.com (Web)
github.com (Package)

Other advisories for this package

nautobot has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-200: Exposure of Sensitive Information) in other software:

Details

Severity MEDIUM
CVSS Score 5.9
CVSS Vector CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N
CWE CWE-200
Public Exploit ✅ No
Source OSV
Published 2025-06-10
Updated 2026-08-20
Modified 2026-07-07

Affected Packages

Software From version Fixed in
nautobot 2.0.0 2.4.10

Similar Threats

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