---
schema_version: '1.0'
id: security-20260709-d4a2ba
url: https://osv.dev/vulnerability/CVE-2026-8924
url_hash: d4a2ba21f6453dc7fc871588c8826ac2f46d85ef7343e9706c1d772918fce5db
canonical_url: https://osv.dev/vulnerability/CVE-2026-8924
source: osv:nvd
category: security/library
category_raw: cve/library
region: null
tags:
- cve
- CVE-2026-8924
- severity:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- https://github.com/curl/curl
- GIT
lang: en
published_at: '2026-07-03T06:15:04Z'
fetched_at: '2026-07-09T15:38:26Z'
updated_at: '2026-07-09T15:38:50Z'
status: published
content_hash: 5ac2ec5cfef39b11c2fca570d612d0f735eed8e002dad8ebabe8f64c20145895
license_note: full
summary: trailing dot domain super cookie
summary_source: rss
summary_en: trailing dot domain super cookie
entities:
- name: CVE-2022-26925
  type: event
- name: GitHub
  type: organization
- name: RecDot
  type: artifact
- name: cross-domain recommendation
  type: concept
- name: SUPER EIGHT
  type: organization
- name: FlyingCookie
  type: artifact
key_facts: []
related: []
related_auto:
- name: GitLost
  type: concept
  weight: 4.0
- name: Windowsローカルセキュリティ認証機関(LSA
  type: location
  weight: 1.0
- name: AI Agent
  type: concept
  weight: 1.0
- name: Hy3
  type: artifact
  weight: 1.0
- name: OpenClaw
  type: artifact
  weight: 1.0
title: 'CVE-2026-8924: trailing dot domain super cookie'
---

# CVE-2026-8924: trailing dot domain super cookie

## TL;DR
trailing dot domain super cookie

## Key Points
- cve / CVE-2026-8924 / severity:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N / https://github.com/curl/curl / GIT

## Details
**Severity:** CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
**Advisory:** CVE-2026-8924

**Affected (your watchlist):**
- `GIT:https://github.com/curl/curl` curl-8_9_1 → no fixed version listed [mac]

**Details:**
A flaw in curl’s cookie parsing logic allows a malicious HTTP server to set
'super cookies' that bypass the Public Suffix List check. This enables an
attacker-controlled origin to inject cookies that curl subsequently scopes and
transmits to unrelated third-party domains.

**References:**
- https://curl.se/docs/CVE-2026-8924.html
- https://curl.se/docs/CVE-2026-8924.json
- https://hackerone.com/reports/3733905
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8924.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-8924

_Data: OSV.dev (upstream: nvd) — https://osv.dev/vulnerability/CVE-2026-8924_

## Source
元記事: [CVE-2026-8924: trailing dot domain super cookie](https://osv.dev/vulnerability/CVE-2026-8924) — published 2026-07-03T06:15:04Z