UBUNTU-CVE-2026-47265

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Source

https://ubuntu.com/security/CVE-2026-47265

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-47265.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-47265

Upstream

CVE-2026-47265

Published

2026-06-02T20:16:00Z

Modified

2026-06-12T09:04:20.033462319Z

Severity

6.6 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U CVSS Calculator
7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.14.0, cookies set with the cookies parameter on requests are sent after following a cross-origin redirect. If a developer uses the cookies parameter on a per-request basis then sensitive data might be leaked to an attacker if they manage to control a redirect. Version 3.14.0 patches the issue. If unable to upgrade, using a Cookie header in the headers parameter is not vulnerable.

References

Affected packages

Ubuntu:16.04:LTS

python-aiohttp

Package

Name: python-aiohttp
Purl: pkg:deb/ubuntu/python-aiohttp?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.17.2-1

0.17.4-1

0.17.4-1build1

0.20.2-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "0.20.2-1",
            "binary_name": "python3-aiohttp"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-47265.json"

Ubuntu:25.10

python-aiohttp

Package

Name: python-aiohttp
Purl: pkg:deb/ubuntu/python-aiohttp?arch=source&distro=questing

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.10.11-1build1

3.11.16-1

3.11.16-1ubuntu0.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "3.11.16-1ubuntu0.1",
            "binary_name": "python3-aiohttp"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-47265.json"

Ubuntu:26.04:LTS

python-aiohttp

Package

Name: python-aiohttp
Purl: pkg:deb/ubuntu/python-aiohttp?arch=source&distro=resolute

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.11.16-1

3.13.1-1

3.13.3-3

3.13.3-3ubuntu1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "3.13.3-3ubuntu1",
            "binary_name": "python3-aiohttp"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-47265.json"

Ubuntu:Pro:18.04:LTS

python-aiohttp

Package

Name: python-aiohttp
Purl: pkg:deb/ubuntu/python-aiohttp?arch=source&distro=esm-apps%2Fbionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.2.3-1build1

2.2.3-2

2.3.6-1

3.*

3.0.1-1

3.0.1-1ubuntu0.1~esm1

3.0.1-1ubuntu0.1~esm4

3.0.1-1ubuntu0.1~esm5

3.0.1-1ubuntu0.1~esm6

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "3.0.1-1ubuntu0.1~esm6",
            "binary_name": "python3-aiohttp"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-47265.json"

Ubuntu:Pro:20.04:LTS

python-aiohttp

Package

Name: python-aiohttp
Purl: pkg:deb/ubuntu/python-aiohttp?arch=source&distro=esm-apps%2Ffocal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.5.4-1

3.5.4-1build1

3.6.1-1

3.6.2-1

3.6.2-1build1

3.6.2-1ubuntu0.1~esm1

3.6.2-1ubuntu1

3.6.2-1ubuntu1+esm1

3.6.2-1ubuntu1+esm3

3.6.2-1ubuntu1+esm4

3.6.2-1ubuntu1+esm5

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "3.6.2-1ubuntu1+esm5",
            "binary_name": "python3-aiohttp"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-47265.json"

Ubuntu:Pro:22.04:LTS

python-aiohttp

Package

Name: python-aiohttp
Purl: pkg:deb/ubuntu/python-aiohttp?arch=source&distro=esm-apps%2Fjammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.7.4-1

3.7.4-1build2

3.8.1-3

3.8.1-4

3.8.1-4build1

3.8.1-4ubuntu0.2

3.8.1-4ubuntu0.2+esm1

3.8.1-4ubuntu0.2+esm2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "3.8.1-4ubuntu0.2+esm2",
            "binary_name": "python3-aiohttp"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-47265.json"

Ubuntu:Pro:24.04:LTS

python-aiohttp

Package

Name: python-aiohttp
Purl: pkg:deb/ubuntu/python-aiohttp?arch=source&distro=esm-apps%2Fnoble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.8.4-1

3.9.1-1

3.9.1-1build1

3.9.1-1ubuntu0.1

3.9.1-1ubuntu0.1+esm1

3.9.1-1ubuntu0.1+esm2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "3.9.1-1ubuntu0.1+esm2",
            "binary_name": "python3-aiohttp"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-47265.json"