UBUNTU-CVE-2026-82481

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Source
https://ubuntu.com/security/CVE-2026-82481
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82481.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-82481
Upstream
Published
2026-08-29T15:17:00Z
Modified
2026-09-02T16:28:28Z
Severity
  • 8.7 (High) 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/AU:Y/R:A/V:D/RE:M CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

The cohttp package before 6.3.0 for OCaml allows directory traversal.

References

Affected packages

Ubuntu:22.04:LTS / ocaml-cohttp

Package

Name
ocaml-cohttp
Purl
pkg:deb/ubuntu/ocaml-cohttp?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*
4.0.0-1build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libcohttp-lwt-jsoo-ocaml",
            "binary_version": "4.0.0-1build2"
        },
        {
            "binary_name": "libcohttp-lwt-ocaml",
            "binary_version": "4.0.0-1build2"
        },
        {
            "binary_name": "libcohttp-lwt-unix-ocaml",
            "binary_version": "4.0.0-1build2"
        },
        {
            "binary_name": "libcohttp-ocaml",
            "binary_version": "4.0.0-1build2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82481.json"

Ubuntu:24.04:LTS / ocaml-cohttp

Package

Name
ocaml-cohttp
Purl
pkg:deb/ubuntu/ocaml-cohttp?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*
5.1.0-2build3
5.3.0-1
5.3.0-1build1
5.3.0-1build4
5.3.0-1build5
5.3.0-1build6

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libcohttp-lwt-jsoo-ocaml",
            "binary_version": "5.3.0-1build6"
        },
        {
            "binary_name": "libcohttp-lwt-ocaml",
            "binary_version": "5.3.0-1build6"
        },
        {
            "binary_name": "libcohttp-lwt-unix-ocaml",
            "binary_version": "5.3.0-1build6"
        },
        {
            "binary_name": "libcohttp-ocaml",
            "binary_version": "5.3.0-1build6"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82481.json"

Ubuntu:26.04:LTS / ocaml-cohttp

Package

Name
ocaml-cohttp
Purl
pkg:deb/ubuntu/ocaml-cohttp?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*
5.3.0-1build29
5.3.0-2
5.3.0-2build2
5.3.0-2build3
5.3.0-2build5
5.3.0-2build8

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libcohttp-lwt-jsoo-ocaml",
            "binary_version": "5.3.0-2build8"
        },
        {
            "binary_name": "libcohttp-lwt-ocaml",
            "binary_version": "5.3.0-2build8"
        },
        {
            "binary_name": "libcohttp-lwt-unix-ocaml",
            "binary_version": "5.3.0-2build8"
        },
        {
            "binary_name": "libcohttp-ocaml",
            "binary_version": "5.3.0-2build8"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82481.json"