CVE-2026-82742

Source
https://cve.org/CVERecord?id=CVE-2026-82742
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-82742.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-82742
Aliases
Published
2026-09-01T03:35:18.551Z
Modified
2026-09-03T03:30:39.644109759Z
Severity
  • 5.9 (Medium) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
Ash.Filter.Runtime materializes a combinatorial cross-product over to-many relationships, exhausting memory
Details

Uncontrolled Resource Consumption vulnerability in ash-project ash lets an attacker exhaust node memory by matching a filter that spans multiple to-many relationships in memory.

Ash.Filter.Runtime matches a filter against an in-memory record by first expanding the record into combinations of its related rows. flatten_relationships/2 (lib/ash/filter/runtime.ex) eagerly built the full Cartesian product across the filter's to-many relationship paths, so a record with K to-many relationships of M rows each materialized on the order of M^K scenarios before any predicate was checked. A filter or dataset that reaches several sizeable to-many relationships therefore allocates memory combinatorially and can exhaust the node. The fix streams the expansion lazily and short-circuits on the first matching scenario, bounding the work.

This issue affects ash: from 1.29.0-rc0 before 3.32.2.

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82742.json",
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "introduced": "1.29.0-rc0"
                },
                {
                    "fixed": "3.32.2"
                },
                {
                    "introduced": "f6f5d194bfc7802bd32e48bf2eabd2d97a0109a4"
                },
                {
                    "fixed": "da07f009e889819ec410fa1f0f12534bfb9e21dd"
                }
            ]
        },
        {
            "source": "CPE_FIELD",
            "extracted_events": [
                {
                    "introduced": "1.29.0-rc0"
                },
                {
                    "fixed": "3.32.2"
                }
            ]
        },
        {
            "source": "DESCRIPTION",
            "extracted_events": [
                {
                    "introduced": "1.29.0-rc0"
                },
                {
                    "fixed": "3.32.2"
                }
            ]
        }
    ],
    "cna_assigner": "EEF",
    "cwe_ids": [
        "CWE-400"
    ]
}
References

Affected packages

Git / github.com/ash-project/ash

Affected ranges

Type
GIT
Repo
https://github.com/ash-project/ash
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Database specific
Show details
{
    "source": "REFERENCES"
}

Affected versions

3.*
3.0.3
3.4.56
v0.*
v0.1.1
v0.1.3
v0.1.4
v0.1.5
v0.1.6
v0.1.7
v0.1.9
v0.10.0
v0.11.0
v0.12.0
v0.13.0
v0.13.1
v0.2.0
v0.3.0
v0.4.0
v0.5.0
v0.5.1
v0.5.2
v0.6.0
v0.6.1
v0.6.2
v0.6.3
v0.6.4
v0.6.5
v0.7.0
v0.8.0
v0.9.0
v0.9.1
v1.*
v1.0.0
v1.0.1
v1.0.2
v1.0.3
v1.1.0
v1.1.1
v1.1.2
v1.1.3
v1.10.0
v1.11.0
v1.11.1
v1.12.0
v1.13.0
v1.13.1
v1.13.2
v1.13.3
v1.13.4
v1.14.0
v1.15.0
v1.15.1
v1.16.0
v1.16.1
v1.16.2
v1.17.0
v1.17.1
v1.18.0
v1.18.1
v1.19.0
v1.19.1
v1.2.0
v1.2.1
v1.20.0
v1.20.1
v1.22.0
v1.22.1
v1.23.0
v1.23.1
v1.23.2
v1.23.3
v1.24.0
v1.24.1
v1.24.2
v1.25.0
v1.25.1
v1.25.2
v1.25.3
v1.25.4
v1.25.5
v1.25.6
v1.25.7
v1.25.8
v1.26.0
v1.26.1
v1.26.10
v1.26.11
v1.26.12
v1.26.13
v1.26.2
v1.26.3
v1.26.4
v1.26.5
v1.26.6
v1.26.7
v1.26.8
v1.26.9
v1.27.0
v1.27.1
v1.28.0
v1.28.1
v1.29.0-rc0
v1.29.0-rc1
v1.3.0
v1.3.1
v1.30.0
v1.30.1
v1.30.2
v1.31.0
v1.31.1
v1.32.0
v1.32.1
v1.32.2
v1.33.0
v1.34.0
v1.34.1
v1.34.2
v1.34.3
v1.34.5
v1.34.6
v1.34.7
v1.34.8
v1.34.9
v1.35.0
v1.35.1
v1.36.0
v1.36.1
v1.36.10
v1.36.11
v1.36.12
v1.36.13
v1.36.14
v1.36.15
v1.36.16
v1.36.17
v1.36.18
v1.36.19
v1.36.2
v1.36.21
v1.36.22
v1.36.3
v1.36.4
v1.36.5
v1.36.6
v1.36.7
v1.36.8
v1.36.9
v1.37.0
v1.37.2
v1.39.0
v1.39.1
v1.39.2
v1.39.3
v1.39.4
v1.39.5
v1.39.6
v1.39.7
v1.4.0
v1.4.1
v1.41.0
v1.41.1
v1.41.10
v1.41.11
v1.41.12
v1.41.2
v1.41.3
v1.41.4
v1.41.5
v1.41.6
v1.41.7
v1.41.8
v1.41.9
v1.42.0
v1.43.0
v1.43.1
v1.43.10
v1.43.11
v1.43.12
v1.43.2
v1.43.3
v1.43.4
v1.43.5
v1.43.6
v1.43.7
v1.43.8
v1.43.9
v1.44.0
v1.44.1
v1.44.10
v1.44.11
v1.44.12
v1.44.13
v1.44.2
v1.44.3
v1.44.4
v1.44.5
v1.44.6
v1.44.7
v1.44.8
v1.44.9
v1.45.0-rc0
v1.45.0-rc1
v1.45.0-rc10
v1.45.0-rc11
v1.45.0-rc12
v1.45.0-rc13
v1.45.0-rc14
v1.45.0-rc15
v1.45.0-rc16
v1.45.0-rc17
v1.45.0-rc18
v1.45.0-rc19
v1.45.0-rc2
v1.45.0-rc20
v1.45.0-rc3
v1.45.0-rc4
v1.45.0-rc5
v1.45.0-rc6
v1.45.0-rc7
v1.45.0-rc8
v1.45.0-rc9
v1.46.0
v1.46.1
v1.46.10
v1.46.11
v1.46.12
v1.46.13
v1.46.2
v1.46.3
v1.46.4
v1.46.5
v1.46.6
v1.46.7
v1.46.8
v1.46.9
v1.47.0
v1.47.1
v1.47.10
v1.47.11
v1.47.12
v1.47.2
v1.47.3
v1.47.4
v1.47.5
v1.47.6
v1.47.7
v1.47.8
v1.47.9
v1.48.0-rc.0
v1.48.0-rc.1
v1.48.0-rc.10
v1.48.0-rc.11
v1.48.0-rc.12
v1.48.0-rc.13
v1.48.0-rc.14
v1.48.0-rc.15
v1.48.0-rc.16
v1.48.0-rc.17
v1.48.0-rc.18
v1.48.0-rc.19
v1.48.0-rc.2
v1.48.0-rc.20
v1.48.0-rc.21
v1.48.0-rc.22
v1.48.0-rc.23
v1.48.0-rc.24
v1.48.0-rc.25
v1.48.0-rc.26
v1.48.0-rc.27
v1.48.0-rc.28
v1.48.0-rc.29
v1.48.0-rc.3
v1.48.0-rc.30
v1.48.0-rc.4
v1.48.0-rc.5
v1.48.0-rc.6
v1.48.0-rc.8
v1.48.0-rc.9
v1.49.0
v1.5.0
v1.5.1
v1.50.0
v1.50.1
v1.50.10
v1.50.11
v1.50.12
v1.50.13
v1.50.14
v1.50.15
v1.50.16
v1.50.17
v1.50.18
v1.50.19
v1.50.2
v1.50.20
v1.50.21
v1.50.3
v1.50.4
v1.50.5
v1.50.6
v1.50.7
v1.50.8
v1.50.9
v1.51.0
v1.51.1
v1.51.2
v1.52.0-rc.0
v1.52.0-rc.1
v1.52.0-rc.10
v1.52.0-rc.11
v1.52.0-rc.12
v1.52.0-rc.13
v1.52.0-rc.14
v1.52.0-rc.15
v1.52.0-rc.16
v1.52.0-rc.17
v1.52.0-rc.18
v1.52.0-rc.19
v1.52.0-rc.2
v1.52.0-rc.20
v1.52.0-rc.21
v1.52.0-rc.22
v1.52.0-rc.3
v1.52.0-rc.4
v1.52.0-rc.5
v1.52.0-rc.6
v1.52.0-rc.7
v1.52.0-rc.8
v1.52.0-rc.9
v1.53.0
v1.53.1
v1.53.2
v1.53.3
v1.6.0
v1.6.1
v1.6.2
v1.6.3
v1.6.4
v1.6.5
v1.6.6
v1.6.7
v1.6.8
v1.7.0
v1.8.0
v1.9.0
v2.*
v2.0.0
v2.0.0-rc.0
v2.0.0-rc.1
v2.0.0-rc.10
v2.0.0-rc.11
v2.0.0-rc.12
v2.0.0-rc.13
v2.0.0-rc.14
v2.0.0-rc.15
v2.0.0-rc.2
v2.0.0-rc.3
v2.0.0-rc.4
v2.0.0-rc.5
v2.0.0-rc.6
v2.0.0-rc.7
v2.0.0-rc.8
v2.0.0-rc.9
v2.1.0
v2.10.0
v2.10.1
v2.10.2
v2.11.0
v2.11.0-rc.0
v2.11.0-rc.1
v2.11.0-rc.2
v2.11.0-rc.3
v2.11.1
v2.11.10
v2.11.11
v2.11.2
v2.11.3
v2.11.4
v2.11.5
v2.11.6
v2.11.7
v2.11.8
v2.11.9
v2.12.0
v2.12.1
v2.13.0
v2.13.1
v2.13.2
v2.13.3
v2.13.4
v2.14.0
v2.14.1
v2.14.10
v2.14.11
v2.14.12
v2.14.13
v2.14.14
v2.14.15
v2.14.16
v2.14.17
v2.14.18
v2.14.19
v2.14.2
v2.14.20
v2.14.21
v2.14.3
v2.14.4
v2.14.5
v2.14.6
v2.14.7
v2.14.8
v2.14.9
v2.15.0
v2.15.1
v2.15.10
v2.15.11
v2.15.12
v2.15.13
v2.15.14
v2.15.15
v2.15.16
v2.15.17
v2.15.18
v2.15.19
v2.15.2
v2.15.20
v2.15.3
v2.15.4
v2.15.5
v2.15.6
v2.15.7
v2.15.8
v2.15.9
v2.16.0
v2.16.1
v2.17.0
v2.17.1
v2.17.10
v2.17.11
v2.17.12
v2.17.13
v2.17.14
v2.17.15
v2.17.16
v2.17.17
v2.17.18
v2.17.19
v2.17.2
v2.17.20
v2.17.21
v2.17.22
v2.17.23
v2.17.24
v2.17.3
v2.17.4
v2.17.5
v2.17.6
v2.17.7
v2.17.8
v2.17.9
v2.18.0
v2.18.1
v2.18.2
v2.19.0
v2.19.1
v2.19.10
v2.19.11
v2.19.12
v2.19.13
v2.19.14
v2.19.2
v2.19.3
v2.19.4
v2.19.5
v2.19.6
v2.19.7
v2.19.8
v2.19.9
v2.2.0
v2.20.0
v2.20.1
v2.20.2
v2.20.3
v2.21.0
v2.21.1
v2.21.2
v2.3.0
v2.4.0
v2.4.1
v2.4.10
v2.4.11
v2.4.12
v2.4.13
v2.4.14
v2.4.15
v2.4.16
v2.4.17
v2.4.18
v2.4.19
v2.4.2
v2.4.20
v2.4.21
v2.4.22
v2.4.23
v2.4.24
v2.4.25
v2.4.26
v2.4.27
v2.4.28
v2.4.29
v2.4.3
v2.4.30
v2.4.4
v2.4.5
v2.4.6
v2.4.7
v2.4.8
v2.4.9
v2.5.0
v2.5.0-rc.0
v2.5.0-rc.1
v2.5.0-rc.2
v2.5.0-rc.3
v2.5.0-rc.4
v2.5.0-rc.5
v2.5.0-rc.6
v2.5.1
v2.5.10
v2.5.11
v2.5.12
v2.5.13
v2.5.14
v2.5.15
v2.5.16
v2.5.2
v2.5.4
v2.5.6
v2.5.7
v2.5.8
v2.5.9
v2.6.0
v2.6.1
v2.6.10
v2.6.11
v2.6.12
v2.6.13
v2.6.14
v2.6.15
v2.6.16
v2.6.17
v2.6.18
v2.6.19
v2.6.2
v2.6.20
v2.6.21
v2.6.22
v2.6.23
v2.6.24
v2.6.25
v2.6.26
v2.6.27
v2.6.29
v2.6.3
v2.6.30
v2.6.31
v2.6.4
v2.6.5
v2.6.6
v2.6.7
v2.6.8
v2.6.9
v2.7.0
v2.7.1
v2.8.0
v2.8.1
v2.9.0
v2.9.1
v2.9.10
v2.9.11
v2.9.12
v2.9.13
v2.9.14
v2.9.15
v2.9.16
v2.9.17
v2.9.18
v2.9.19
v2.9.2
v2.9.20
v2.9.21
v2.9.22
v2.9.23
v2.9.24
v2.9.25
v2.9.26
v2.9.27
v2.9.28
v2.9.29
v2.9.3
v2.9.4
v2.9.5
v2.9.6
v2.9.7
v2.9.8
v2.9.9
v3.*
v3.0.0-rc.0
v3.0.0-rc.1
v3.0.0-rc.10
v3.0.0-rc.11
v3.0.0-rc.12
v3.0.0-rc.13
v3.0.0-rc.14
v3.0.0-rc.15
v3.0.0-rc.16
v3.0.0-rc.17
v3.0.0-rc.18
v3.0.0-rc.19
v3.0.0-rc.2
v3.0.0-rc.20
v3.0.0-rc.21
v3.0.0-rc.22
v3.0.0-rc.23
v3.0.0-rc.24
v3.0.0-rc.25
v3.0.0-rc.26
v3.0.0-rc.27
v3.0.0-rc.29
v3.0.0-rc.3
v3.0.0-rc.30
v3.0.0-rc.31
v3.0.0-rc.32
v3.0.0-rc.33
v3.0.0-rc.34
v3.0.0-rc.35
v3.0.0-rc.36
v3.0.0-rc.37
v3.0.0-rc.38
v3.0.0-rc.4
v3.0.0-rc.40
v3.0.0-rc.41
v3.0.0-rc.42
v3.0.0-rc.43
v3.0.0-rc.44
v3.0.0-rc.45
v3.0.0-rc.46
v3.0.0-rc.5
v3.0.0-rc.6
v3.0.0-rc.7
v3.0.0-rc.8
v3.0.0-rc.9
v3.0.1
v3.0.10
v3.0.11
v3.0.12
v3.0.13
v3.0.14
v3.0.15
v3.0.16
v3.0.2
v3.0.3
v3.0.4
v3.0.5
v3.0.6
v3.0.7
v3.0.8
v3.0.9
v3.1.1
v3.1.5
v3.1.6
v3.1.7
v3.1.8
v3.10.0
v3.10.1
v3.11.0
v3.11.1
v3.11.2
v3.11.3
v3.12.0
v3.13.0
v3.13.1
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
v3.2.1
v3.2.2
v3.2.3
v3.2.4
v3.2.5
v3.2.6
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
v3.3.0
v3.3.1
v3.3.2
v3.3.3
v3.30.0
v3.30.1
v3.31.0
v3.31.1
v3.31.2
v3.31.3
v3.32.1
v3.4.1
v3.4.10
v3.4.11
v3.4.12
v3.4.13
v3.4.14
v3.4.15
v3.4.16
v3.4.17
v3.4.18
v3.4.19
v3.4.2
v3.4.20
v3.4.21
v3.4.23
v3.4.24
v3.4.25
v3.4.26
v3.4.27
v3.4.28
v3.4.29
v3.4.3
v3.4.30
v3.4.31
v3.4.32
v3.4.33
v3.4.34
v3.4.35
v3.4.36
v3.4.37
v3.4.38
v3.4.39
v3.4.4
v3.4.40
v3.4.41
v3.4.42
v3.4.43
v3.4.44
v3.4.45
v3.4.46
v3.4.47
v3.4.48
v3.4.5
v3.4.50
v3.4.51
v3.4.53
v3.4.54
v3.4.55
v3.4.56
v3.4.57
v3.4.58
v3.4.59
v3.4.6
v3.4.61
v3.4.62
v3.4.63
v3.4.64
v3.4.65
v3.4.66
v3.4.67
v3.4.68
v3.4.69
v3.4.7
v3.4.70
v3.4.71
v3.4.72
v3.4.73
v3.4.8
v3.4.9
v3.5.1
v3.5.10
v3.5.11
v3.5.12
v3.5.13
v3.5.14
v3.5.15
v3.5.16
v3.5.17
v3.5.18
v3.5.19
v3.5.2
v3.5.21
v3.5.22
v3.5.23
v3.5.24
v3.5.25
v3.5.26
v3.5.27
v3.5.28
v3.5.29
v3.5.3
v3.5.30
v3.5.31
v3.5.32
v3.5.33
v3.5.35
v3.5.36
v3.5.37
v3.5.38
v3.5.39
v3.5.4
v3.5.41
v3.5.42
v3.5.43
v3.5.5
v3.5.6
v3.5.7
v3.5.8
v3.6.0
v3.6.1
v3.6.2
v3.6.3
v3.7.0
v3.7.1
v3.7.2
v3.7.3
v3.7.4
v3.7.5
v3.7.6
v3.8.0
v3.9.0

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-82742.json"