Lucene search
K

EUVD-2026-29928

🗓️ 13 May 2026 08:28:19Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 8 Views

In libcurl, a custom Host header on the first request can leak cookies into the second request on the same handle.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-6276
13 May 202608:28
attackerkb
AlpineLinux
CVE-2026-6276
13 May 202608:28
alpinelinux
CBLMariner
CVE-2026-6276 affecting package curl for versions less than 8.11.1-7
5 Jun 202612:59
cbl_mariner
Circl
CVE-2026-6276
29 Apr 202607:00
circl
CNNVD
libcurl 安全漏洞
13 May 202600:00
cnnvd
CVE
CVE-2026-6276
13 May 202608:28
cve
Cvelist
CVE-2026-6276 stale custom cookie host causes cookie leak
13 May 202608:28
cvelist
Debian CVE
CVE-2026-6276
13 May 202608:28
debiancve
Hacker One
curl: CVE-2026-6276: stale custom cookie host causes cookie leak
14 Apr 202605:45
hackerone
Tenable Nessus
libcurl 7.71.0 < 8.20.0 Cookie Leak via Stale Host Header
1 May 202600:00
nessus
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "ef4777eb-ba73-3948-8149-84b722a4c3bf",
        "vendor": {
          "name": "curl"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "05307e4f-eb2c-3bf8-afbe-17015161c4b3",
        "product": {
          "name": "curl"
        },
        "product_version": "8.14.0 ≤8.14.0"
      },
      {
        "id": "1274724c-d5ff-37d2-bc50-39d82544ae74",
        "product": {
          "name": "curl"
        },
        "product_version": "8.4.0 ≤8.4.0"
      },
      {
        "id": "12f24c13-83a9-333a-90da-30e02c6c1cc9",
        "product": {
          "name": "curl"
        },
        "product_version": "8.1.1 ≤8.1.1"
      },
      {
        "id": "1ec8d46c-221b-3b79-8f64-c692541066fd",
        "product": {
          "name": "curl"
        },
        "product_version": "7.83.1 ≤7.83.1"
      },
      {
        "id": "24bc0c33-b034-39fc-96c7-eece60d7266d",
        "product": {
          "name": "curl"
        },
        "product_version": "8.11.1 ≤8.11.1"
      },
      {
        "id": "26f168b3-2ed2-3b8e-a56f-f80f95706125",
        "product": {
          "name": "curl"
        },
        "product_version": "8.11.0 ≤8.11.0"
      },
      {
        "id": "2a9b7526-c6ab-3f63-b44d-140f49378642",
        "product": {
          "name": "curl"
        },
        "product_version": "7.71.1 ≤7.71.1"
      },
      {
        "id": "2ba67fa4-67e2-33ca-99bb-af2793251f8d",
        "product": {
          "name": "curl"
        },
        "product_version": "8.2.0 ≤8.2.0"
      },
      {
        "id": "35279ac9-ab54-3ecb-972a-f3fa21653df5",
        "product": {
          "name": "curl"
        },
        "product_version": "7.83.0 ≤7.83.0"
      },
      {
        "id": "36d385f6-c43a-3478-bc7e-575081c3564e",
        "product": {
          "name": "curl"
        },
        "product_version": "8.9.0 ≤8.9.0"
      },
      {
        "id": "39b7eafd-b1eb-39b4-b76d-4b24a0319dbe",
        "product": {
          "name": "curl"
        },
        "product_version": "7.86.0 ≤7.86.0"
      },
      {
        "id": "3d79aafd-9288-38be-b7c1-024c78e6217e",
        "product": {
          "name": "curl"
        },
        "product_version": "7.87.0 ≤7.87.0"
      },
      {
        "id": "4580d961-ca9b-33ce-bbaa-6e83dc3fcdc3",
        "product": {
          "name": "curl"
        },
        "product_version": "7.72.0 ≤7.72.0"
      },
      {
        "id": "458dc4c5-8464-3513-aab3-30e74fb413c8",
        "product": {
          "name": "curl"
        },
        "product_version": "7.80.0 ≤7.80.0"
      },
      {
        "id": "46be4584-08c4-3185-b648-5a5d2ae36581",
        "product": {
          "name": "curl"
        },
        "product_version": "8.13.0 ≤8.13.0"
      },
      {
        "id": "4871fdef-2263-3058-93e7-fa7d5005497b",
        "product": {
          "name": "curl"
        },
        "product_version": "7.88.0 ≤7.88.0"
      },
      {
        "id": "49641e15-726f-33e7-a004-640f4eed815e",
        "product": {
          "name": "curl"
        },
        "product_version": "8.6.0 ≤8.6.0"
      },
      {
        "id": "49a9cd6f-a937-3069-a922-48251c16e7fc",
        "product": {
          "name": "curl"
        },
        "product_version": "7.79.0 ≤7.79.0"
      },
      {
        "id": "4fba7331-b53b-36d4-8202-1d0caab127c9",
        "product": {
          "name": "curl"
        },
        "product_version": "7.79.1 ≤7.79.1"
      },
      {
        "id": "54bca809-2352-3502-a8fa-b55709ecc6b1",
        "product": {
          "name": "curl"
        },
        "product_version": "8.7.1 ≤8.7.1"
      },
      {
        "id": "55df4741-f347-339d-acba-ba70a4139fc1",
        "product": {
          "name": "curl"
        },
        "product_version": "8.14.1 ≤8.14.1"
      },
      {
        "id": "58346ff2-24fd-33a1-bab0-c0609996dfe8",
        "product": {
          "name": "curl"
        },
        "product_version": "8.10.0 ≤8.10.0"
      },
      {
        "id": "5ba14673-4630-343a-99f8-c111e5a51b8a",
        "product": {
          "name": "curl"
        },
        "product_version": "8.10.1 ≤8.10.1"
      },
      {
        "id": "61aec39e-2081-3d23-bce4-7163e3766c70",
        "product": {
          "name": "curl"
        },
        "product_version": "7.82.0 ≤7.82.0"
      },
      {
        "id": "6a604bf3-8f13-3c90-86e0-63be3061da68",
        "product": {
          "name": "curl"
        },
        "product_version": "7.77.0 ≤7.77.0"
      },
      {
        "id": "6ef5a4df-cf16-3701-804d-d1bbe4013da1",
        "product": {
          "name": "curl"
        },
        "product_version": "8.17.0 ≤8.17.0"
      },
      {
        "id": "729491ac-6054-34a8-aa42-774116e71503",
        "product": {
          "name": "curl"
        },
        "product_version": "7.76.1 ≤7.76.1"
      },
      {
        "id": "76349a1e-bd39-3acc-aafd-da5f6ef6ae3b",
        "product": {
          "name": "curl"
        },
        "product_version": "8.5.0 ≤8.5.0"
      },
      {
        "id": "790e344d-fc2d-3f0f-a137-fb40ecaa971c",
        "product": {
          "name": "curl"
        },
        "product_version": "8.0.1 ≤8.0.1"
      },
      {
        "id": "84d435be-4022-359a-90ca-0d042c125a6f",
        "product": {
          "name": "curl"
        },
        "product_version": "7.74.0 ≤7.74.0"
      },
      {
        "id": "8ab6a309-f9b8-32ce-88f3-be4cad57c765",
        "product": {
          "name": "curl"
        },
        "product_version": "8.12.1 ≤8.12.1"
      },
      {
        "id": "98485347-7b0c-3fa0-a25c-0ca9762f74f3",
        "product": {
          "name": "curl"
        },
        "product_version": "8.1.2 ≤8.1.2"
      },
      {
        "id": "9ac5a059-2a5b-3912-bece-dc1404703535",
        "product": {
          "name": "curl"
        },
        "product_version": "8.1.0 ≤8.1.0"
      },
      {
        "id": "a30d143b-2496-3a27-99b1-93f2e10a5deb",
        "product": {
          "name": "curl"
        },
        "product_version": "7.71.0 ≤7.71.0"
      },
      {
        "id": "ae38b1a3-8549-3dd4-a572-fe694f262685",
        "product": {
          "name": "curl"
        },
        "product_version": "7.81.0 ≤7.81.0"
      },
      {
        "id": "b4ce6716-592d-3992-bb24-36fd15cbef7d",
        "product": {
          "name": "curl"
        },
        "product_version": "8.0.0 ≤8.0.0"
      },
      {
        "id": "b5846b8b-6b4d-3c30-8345-a64cc6cfb2ed",
        "product": {
          "name": "curl"
        },
        "product_version": "7.73.0 ≤7.73.0"
      },
      {
        "id": "bc2f224d-e273-3f84-9900-462b4e0f60c5",
        "product": {
          "name": "curl"
        },
        "product_version": "8.16.0 ≤8.16.0"
      },
      {
        "id": "c7b54ae9-8544-36c7-b1b0-372b0fdcea79",
        "product": {
          "name": "curl"
        },
        "product_version": "8.15.0 ≤8.15.0"
      },
      {
        "id": "cdb7a9da-4723-38c0-bce1-aa99b7502660",
        "product": {
          "name": "curl"
        },
        "product_version": "8.18.0 ≤8.18.0"
      },
      {
        "id": "ce867f19-a595-37b1-98a3-9153577bd273",
        "product": {
          "name": "curl"
        },
        "product_version": "7.88.1 ≤7.88.1"
      },
      {
        "id": "d306da30-81d4-3f62-b278-880478fc445d",
        "product": {
          "name": "curl"
        },
        "product_version": "7.75.0 ≤7.75.0"
      },
      {
        "id": "d33e5363-71eb-39b1-9dd5-e0b2f4ccf1e2",
        "product": {
          "name": "curl"
        },
        "product_version": "8.7.0 ≤8.7.0"
      },
      {
        "id": "d532017f-d50e-32ee-92d0-807e4c7ce6ba",
        "product": {
          "name": "curl"
        },
        "product_version": "8.12.0 ≤8.12.0"
      },
      {
        "id": "d65ab4bf-9b45-3e5f-bb80-cacfa8082f3c",
        "product": {
          "name": "curl"
        },
        "product_version": "8.9.1 ≤8.9.1"
      },
      {
        "id": "d72f1e3f-831d-3845-97e0-0044585731a5",
        "product": {
          "name": "curl"
        },
        "product_version": "8.2.1 ≤8.2.1"
      },
      {
        "id": "dfdfb1a8-0712-35d0-9800-b0b3b1dbadea",
        "product": {
          "name": "curl"
        },
        "product_version": "8.8.0 ≤8.8.0"
      },
      {
        "id": "dff75b32-7be5-356a-ab28-48ee5a966d08",
        "product": {
          "name": "curl"
        },
        "product_version": "8.3.0 ≤8.3.0"
      },
      {
        "id": "e3ec721e-98da-3b25-8ec1-7bef35f2a65d",
        "product": {
          "name": "curl"
        },
        "product_version": "7.78.0 ≤7.78.0"
      },
      {
        "id": "ee87d5c2-2616-3a92-96ec-5ab32ec06339",
        "product": {
          "name": "curl"
        },
        "product_version": "7.84.0 ≤7.84.0"
      },
      {
        "id": "f5e43501-c719-340c-a89f-77265985d785",
        "product": {
          "name": "curl"
        },
        "product_version": "7.76.0 ≤7.76.0"
      },
      {
        "id": "f6a24885-1d1b-34db-a526-adbb2eeea568",
        "product": {
          "name": "curl"
        },
        "product_version": "7.85.0 ≤7.85.0"
      },
      {
        "id": "fc22cc57-ed9f-3891-9d53-64b5c113298c",
        "product": {
          "name": "curl"
        },
        "product_version": "8.19.0 ≤8.19.0"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

13 May 2026 09:05Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.00013
SSVC
8