LOWCVSS v4 2.3Vulnerability
CVE-2026-111749
### Summary A subdomain can remove the Host-Only flag from an existing cookie to a parent domain. ### Impact A user accessing untrusted subdomains could see their Host-Only protections stripped from cookies. Given most usecases won't reflect these cookies to a browser, the impact is limited.
Properties
- Summary
- AIOHTTP: Cookie from subdomain can remove Host-Only Scope from existing cookies
- Severity
- low
- Nvd fetched at
- 2026-10-20T21:14:08.448323+00:00
- Epss score
- 0.00294
- Cvss score
- 2.3
- Cvss severity
- LOW
- Retrieved at
- 2026-10-21T01:24:48+00:00
- Ghsa published
- 2026-10-20T19:58:14Z
- Source url
- https://github.com/advisories/GHSA-gx76-c99x-2c96
- Ghsa updated
- 2026-10-20T19:58:15Z
- Ghsa id
- GHSA-gx76-c99x-2c96
- Last source
- FIRST EPSS
- Score
- 2.3
- Cvss version
- 4.0
- Cve id
- CVE-2026-111749
- Cvss vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/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
- First seen by Signal
- 2026-10-19T19:31:52+00:00
- Is ghsa only
- false
- Vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/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
- Published at
- 2026-10-19T17:17:04.023
Related Entities (3)
AFFECTS (1)
HAS_WEAKNESS (1)
VULNERABLE_TO (1)
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