01 Record
CVE-2026-54575
mport package fetch and clean paths are vulnerable to TOCTOU filesystem races
MediumPUBLISHEDCNA: GitHub_M
CNA base score5.8 CVSS v4.0CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
02 Description
mport package fetch and clean paths are vulnerable to TOCTOU filesystem races
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.12% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 1.7% of scored records. A rank, not a probability.
- NVD base score
- 5.8 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/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
- NVD analysis status
- Deferred. NVD last modified this record on 2026-09-21.
- 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
- 2026-09-17 16:55Z1 MO AGO
- Last updated
- 2026-09-21 20:58Z1 MO AGO
- Reserved
- 2026-06-15
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.8)
- CNA CVSS vector
- CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
- Weaknesses
- Data version
- 5.2
- Document digest
- 7cd7fe2b896d3601fc03286ae72bddf499d0508397c698e2eb78d23ed3f744a1
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/MidnightBSD/mport/security/advisories/GHSA-h387-g4pf-28cj
- github.comhttps://github.com/MidnightBSD/mport/pull/118
- github.comhttps://github.com/MidnightBSD/mport/commit/29154b0fdfb5806568ed1277e88d942bad6d1169
- github.comhttps://github.com/MidnightBSD/mport/releases/tag/2.7.8