{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-78228",
        "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "state": "PUBLISHED",
        "assignerShortName": "EEF",
        "dateReserved": "2026-08-30T00:00:01.991Z",
        "datePublished": "2026-08-30T11:51:49.621Z",
        "dateUpdated": "2026-08-30T11:51:49.621Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "collectionURL": "https://repo.hex.pm",
                    "cpes": [
                        "cpe:2.3:a:ash-project:ash_oban:*:*:*:*:*:*:*:*"
                    ],
                    "defaultStatus": "unaffected",
                    "modules": [
                        "'Elixir.AshOban.Transformers.DefineSchedulers'"
                    ],
                    "packageName": "ash_oban",
                    "packageURL": "pkg:hex/ash_oban",
                    "product": "ash_oban",
                    "programFiles": [
                        "lib/transformers/define_schedulers.ex"
                    ],
                    "programRoutines": [
                        {
                            "name": "'Elixir.AshOban.Transformers.DefineSchedulers':handle_error/4"
                        }
                    ],
                    "repo": "https://github.com/ash-project/ash_oban",
                    "vendor": "ash-project",
                    "versions": [
                        {
                            "lessThan": "0.8.14",
                            "status": "affected",
                            "version": "0.8.0-rc.1",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "collectionURL": "https://github.com",
                    "cpes": [
                        "cpe:2.3:a:ash-project:ash_oban:*:*:*:*:*:*:*:*"
                    ],
                    "defaultStatus": "unaffected",
                    "modules": [
                        "'Elixir.AshOban.Transformers.DefineSchedulers'"
                    ],
                    "packageName": "ash-project/ash_oban",
                    "packageURL": "pkg:github/ash-project/ash_oban",
                    "product": "ash_oban",
                    "programFiles": [
                        "lib/transformers/define_schedulers.ex"
                    ],
                    "programRoutines": [
                        {
                            "name": "'Elixir.AshOban.Transformers.DefineSchedulers':handle_error/4"
                        }
                    ],
                    "repo": "https://github.com/ash-project/ash_oban",
                    "vendor": "ash-project",
                    "versions": [
                        {
                            "lessThan": "851cd0e76ed882bf736fc48d10f96d037e26b5f0",
                            "status": "affected",
                            "version": "5d117ed2006df7277561c69dbfd39281da6ace9f",
                            "versionType": "git"
                        }
                    ]
                }
            ],
            "configurations": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>A trigger must declare an <code>on_error</code> action and run through the atomic worker branch. An attacker needs only to drive that <code>on_error</code> action into a deterministic failure (for example by pushing the record into a state the action rejects) and let the job reach its final attempt.</p>"
                        },
                        {
                            "base64": false,
                            "type": "text/markdown",
                            "value": "A trigger must declare an `on_error` action and run through the atomic worker branch. An attacker needs only to drive that `on_error` action into a deterministic failure (for example by pushing the record into a state the action rejects) and let the job reach its final attempt."
                        }
                    ],
                    "value": "A trigger must declare an on_error action and run through the atomic worker branch. An attacker needs only to drive that on_error action into a deterministic failure (for example by pushing the record into a state the action rejects) and let the job reach its final attempt."
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "cpeMatch": [
                                {
                                    "criteria": "cpe:2.3:a:ash-project:ash_oban:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "0.8.14",
                                    "versionStartIncluding": "0.8.0-rc.1",
                                    "vulnerable": true
                                }
                            ],
                            "negate": false,
                            "operator": "OR"
                        }
                    ],
                    "operator": "AND"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "Peter Ullrich"
                },
                {
                    "lang": "en",
                    "type": "reporter",
                    "value": "Peter Ullrich"
                },
                {
                    "lang": "en",
                    "type": "remediation developer",
                    "value": "Zach Daniel / Ash Project"
                },
                {
                    "lang": "en",
                    "type": "coordinator",
                    "value": "Jonatan Männchen / EEF"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>Uncontrolled Recursion vulnerability in ash-project ash_oban allows a user who can drive a trigger's <code>on_error</code> action to fail on the final attempt to exhaust worker CPU and memory, denying service.</p>\n<p>The generated worker's atomic <code>handle_error/4</code> runs the trigger's <code>on_error</code> action on a job's final attempt inside a <code>rescue</code> that, when the action itself raises, calls <code>handle_error/4</code> again with the same job. The job's <code>attempt</code> still equals <code>max_attempts</code>, so it re-enters the same clause and re-runs the failing action, with no exit. Any deterministic <code>on_error</code> failure (a data-layer outage, a misconfigured action, or a record the action rejects) loops forever; because the recursive call is not in tail position, each iteration retains a formatted stacktrace and the process heap grows without bound while the failing statement is re-issued against the data layer until the runtime kills the worker.</p>\n<p>This issue affects ash_oban: from 0.8.0-rc.1 before 0.8.14.</p>"
                        },
                        {
                            "base64": false,
                            "type": "text/markdown",
                            "value": "Uncontrolled Recursion vulnerability in ash-project ash_oban allows a user who can drive a trigger's `on_error` action to fail on the final attempt to exhaust worker CPU and memory, denying service.\n\nThe generated worker's atomic `handle_error/4` runs the trigger's `on_error` action on a job's final attempt inside a `rescue` that, when the action itself raises, calls `handle_error/4` again with the same job. The job's `attempt` still equals `max_attempts`, so it re-enters the same clause and re-runs the failing action, with no exit. Any deterministic `on_error` failure (a data-layer outage, a misconfigured action, or a record the action rejects) loops forever; because the recursive call is not in tail position, each iteration retains a formatted stacktrace and the process heap grows without bound while the failing statement is re-issued against the data layer until the runtime kills the worker.\n\nThis issue affects ash_oban: from 0.8.0-rc.1 before 0.8.14."
                        }
                    ],
                    "value": "Uncontrolled Recursion vulnerability in ash-project ash_oban allows a user who can drive a trigger's on_error action to fail on the final attempt to exhaust worker CPU and memory, denying service.\n\nThe generated worker's atomic handle_error/4 runs the trigger's on_error action on a job's final attempt inside a rescue that, when the action itself raises, calls handle_error/4 again with the same job. The job's attempt still equals max_attempts, so it re-enters the same clause and re-runs the failing action, with no exit. Any deterministic on_error failure (a data-layer outage, a misconfigured action, or a record the action rejects) loops forever; because the recursive call is not in tail position, each iteration retains a formatted stacktrace and the process heap grows without bound while the failing statement is re-issued against the data layer until the runtime kills the worker.\n\nThis issue affects ash_oban: from 0.8.0-rc.1 before 0.8.14."
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-130",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-130 Excessive Allocation"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "attackVector": "LOCAL",
                        "baseScore": 5.9,
                        "baseSeverity": "MEDIUM",
                        "privilegesRequired": "NONE",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "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",
                        "version": "4.0",
                        "vulnAvailabilityImpact": "HIGH",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "vulnerabilityResponseEffort": "NOT_DEFINED"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-674",
                            "description": "CWE-674 Uncontrolled Recursion",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
                "shortName": "EEF",
                "dateUpdated": "2026-08-30T11:51:49.621Z"
            },
            "references": [
                {
                    "tags": [
                        "vendor-advisory",
                        "related"
                    ],
                    "url": "https://github.com/ash-project/ash_oban/security/advisories/GHSA-94p7-498r-mrhp"
                },
                {
                    "tags": [
                        "related"
                    ],
                    "url": "https://cna.erlef.org/cves/CVE-2026-78228.html"
                },
                {
                    "tags": [
                        "related"
                    ],
                    "url": "https://osv.dev/vulnerability/EEF-CVE-2026-78228"
                },
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/ash-project/ash_oban/commit/851cd0e76ed882bf736fc48d10f96d037e26b5f0"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "title": "Unbounded handle_error recursion enables denial of service in AshOban triggers"
        }
    }
}