01 Record
CVE-2026-111664
Safing Portmaster before 2.2.5 Unauthenticated Forced Downgrade via /api/v1/updates/from-url
MediumPUBLISHEDCNA: VulnCheck
CNA base score4.8 CVSS v4.0CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
02 Description
Safing Portmaster before 2.2.5 Unauthenticated Forced Downgrade via /api/v1/updates/from-url
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 ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.11% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 1.4% of scored records. A rank, not a probability.
- NVD base score
- 4.8 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/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 2026-10-21.
- 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
- 2026-10-16 17:39Z12 DAYS AGO
- Last updated
- 2026-10-21 20:58Z7 DAYS AGO
- Reserved
- 2026-10-16
- Assigning CNA
- VulnCheck
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 4.8)
- CNA CVSS vector
- CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
- Weaknesses
- CWE-306Missing Authentication for Critical FunctionBase
- Data version
- 5.2
- Document digest
- 9bdc3137391b55447aaa85904d3ca2a0ecb3057eb57ee127992a329622f06d07
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/safing/portmaster/issues/2292
- github.comhttps://github.com/safing/portmaster/blob/v2.2.3/service/core/api.go#L145-L159
- github.comhttps://github.com/safing/portmaster/commit/f943e1eaf98f45bc48490bf288e1d63c04929ae0
- github.comportmaster v2.2.5 Release Noteshttps://github.com/safing/portmaster/releases/tag/v2.2.5
- www.vulncheck.comVulnCheck Advisory: Safing Portmaster before 2.2.5 Unauthenticated Forced Downgrade via /api/v1/updates/from-urlhttps://www.vulncheck.com/advisories/safing-portmaster-before-2.2.5-unauthenticated-forced-downgrade-via-api-v1-updates-from-url