01 Record
CVE-2025-54123
Hoverfly vulnerable to remote code execution at `/api/v2/hoverfly/middleware` endpoint due to insecure middleware implementation
CriticalPUBLISHEDCNA: GitHub_M
CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
02 Description
Hoverfly vulnerable to remote code execution at `/api/v2/hoverfly/middleware` endpoint due to insecure middleware implementation
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 10.90% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 95.8% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2025-09-10 18:41Z1 YR AGO
- Last updated
- 2025-09-10 19:48Z1 YR AGO
- Reserved
- 2025-07-16
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- Data version
- 5.1
- Document digest
- 634265502b51019b50bff6bc7c04bea28aa625b33466b47bf5779acfccd9d2e3
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/SpectoLabs/hoverfly/security/advisories/GHSA-r4h8-hfp2-ggmf
- github.comhttps://github.com/SpectoLabs/hoverfly/commit/17e60a9bc78826deb4b782dca1c1abd3dbe60d40
- github.comhttps://github.com/SpectoLabs/hoverfly/commit/a9d4da7bd7269651f54542ab790d0c613d568d3e
- github.comhttps://github.com/SpectoLabs/hoverfly/blob/master/core/hoverfly_service.go#L173
- github.comhttps://github.com/SpectoLabs/hoverfly/blob/master/core/middleware/local_middleware.go#L13
- github.comhttps://github.com/SpectoLabs/hoverfly/blob/master/core/middleware/middleware.go#L93