CVE-2026-82749

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2026-82749
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-82749.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-82749
Aliases
Published
2026-09-01T03:54:12Z
Modified
2026-09-04T03:47:33Z
Severity
  • 5.9 (Medium) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
Ash relationship parent(...) filter degrades to an IS NULL match when the parent field is unresolved, leaking scoped records
Details

Incorrect Authorization vulnerability in ash-project ash widens a relationship's parent(...) scoping filter to match unintended records when the referenced parent field cannot be resolved.

Loading a relationship whose filter references parent(...) resolves that expression against the parent record. resolve_parent_in_filter/3 (lib/ash/actions/read/relationships.ex) resolved an unresolvable parent reference (for example when the referenced field was not selected on the source query) to nil rather than failing. A scoping predicate such as org_id == parent(org_id) then becomes an IS NULL match, and a guard like is_nil(parent(org_id)) or org_id == parent(org_id) activates its unrestricted branch, so the relationship returns records the scope was meant to exclude. The fix fails the read with an error when a parent(...) reference cannot be resolved, instead of defaulting to nil.

This issue affects ash: from 3.13.2 before 3.32.2.

Database specific 
{
    "cna_assigner":  "EEF",
    "cwe_ids":  [
        "CWE-863"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82749.json",
    "unresolved_ranges":  [
        {
            "extracted_events":  [
                {
                    "introduced":  "0ddff26e6e6bc6d182e1af2f98b431575e5b4179"
                },
                {
                    "fixed":  "e52dad2c39a35f6f043f7324d26e4f4e2551dfd2"
                }
            ],
            "source":  "AFFECTED_FIELD"
        }
    ]
}
References

Affected packages

Git / github.com/ash-project/ash

Affected ranges

Type
GIT
Repo
https://github.com/ash-project/ash
Events
Introduced
429b22f7fc1c584efdb2e3ef9d3b3505bd82d8f9
Fixed
c4505a40d1f28ddb6a82fa7c12955d511f01d479
Fixed
e52dad2c39a35f6f043f7324d26e4f4e2551dfd2
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "3.13.2"
        },
        {
            "fixed":  "3.32.2"
        }
    ],
    "source":  [
        "DESCRIPTION",
        "REFERENCES"
    ]
}

Affected versions

v3.*
v3.13.2
v3.14.0
v3.14.1
v3.15.0
v3.16.0
v3.17.0
v3.17.1
v3.18.0
v3.19.0
v3.19.1
v3.19.2
v3.19.3
v3.20.0
v3.21.0
v3.21.1
v3.21.2
v3.21.3
v3.22.0
v3.22.1
v3.22.2
v3.23.0
v3.23.1
v3.24.0
v3.24.1
v3.24.2
v3.24.3
v3.24.4
v3.24.5
v3.24.6
v3.24.7
v3.25.0
v3.25.1
v3.25.2
v3.26.0
v3.27.0
v3.27.1
v3.27.2
v3.27.3
v3.27.4
v3.27.6
v3.27.7
v3.27.8
v3.28.0
v3.29.0
v3.29.1
v3.29.2
v3.29.3
v3.30.0
v3.30.1
v3.31.0
v3.31.1
v3.31.2
v3.31.3
v3.32.1

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-82749.json"