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地图 / CVE-2026-6276: stale custom cookie host causes cookie leak

CVE-2026-6276: stale custom cookie host causes cookie leak

信息泄露 / Exposure of Data Element to Wrong Session / #3671818

厂商
curl
严重程度
低危
赏金
—
弱点
Exposure of Data Element to Wrong Session
研究员
@arkss
披露日期
2026-04-29
资产
https://github.com/curl/curl
CVE
CVE-2026-6276

该报告还没有中文解读。

原文摘录

摘自原文(2578 字符中的一小部分)
Summary: libcurl keeps a stale `data->state.aptr.cookiehost` after a request that uses a custom `Host:` header. On later requests on the same easy handle, when no custom `Host:` is used, libcurl still reuses that stale value for outgoing cookie selection (`lib/http.c:2560-2563`) and incoming …

默认不展示报告全文。以上为简短摘录,完整复现过程请阅读原文。版权归研究员与 curl 所有。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @arkss · 版权归作者与 curl 所有

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