{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-48593", "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "state": "PUBLISHED", "assignerShortName": "EEF", "dateReserved": "2026-05-22T09:36:56.834Z", "datePublished": "2026-05-26T19:46:43.980Z", "dateUpdated": "2026-05-26T20:46:24.889Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://repo.hex.pm", "cpes": ["cpe:2.3:a:oban_web_project:oban_web:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.Oban.Web.CronExpr'"], "packageName": "oban_web", "packageURL": "pkg:hex/oban_web", "product": "oban_web", "programFiles": ["lib/oban/web/cron_expr.ex"], "programRoutines": [{"name": "'Elixir.Oban.Web.CronExpr':describe/1"}, {"name": "'Elixir.Oban.Web.CronExpr':parse_range/1"}, {"name": "'Elixir.Oban.Web.CronExpr':expand_dom_parts/1"}, {"name": "'Elixir.Oban.Web.CronExpr':expand_dow_parts/1"}], "vendor": "oban-bg", "versions": [{"lessThan": "2.12.5", "status": "affected", "version": "2.12.0", "versionType": "semver"}]}, {"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:oban_web_project:oban_web:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.Oban.Web.CronExpr'"], "packageName": "oban-bg/oban_web", "packageURL": "pkg:github/oban-bg/oban_web", "product": "oban_web", "programFiles": ["lib/oban/web/cron_expr.ex"], "programRoutines": [{"name": "'Elixir.Oban.Web.CronExpr':describe/1"}, {"name": "'Elixir.Oban.Web.CronExpr':parse_range/1"}, {"name": "'Elixir.Oban.Web.CronExpr':expand_dom_parts/1"}, {"name": "'Elixir.Oban.Web.CronExpr':expand_dow_parts/1"}], "repo": "https://github.com/oban-bg/oban_web.git", "vendor": "oban-bg", "versions": [{"lessThan": "9998b7e284e02fdd4645dd6231760038e63b584d", "status": "affected", "version": "a97c7960bb389b05aaab4cf8042985f02ceddc24", "versionType": "git"}]}], "configurations": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>The vulnerability is exploitable when an attacker with access to schedule cron jobs submits a malicious cron expression. The crash is triggered when a user with dashboard access views the cron job list, which calls <tt>'Elixir.Oban.Web.CronExpr':describe/1</tt> to render the expression.</p>"}], "value": "The vulnerability is exploitable when an attacker with access to schedule cron jobs submits a malicious cron expression. The crash is triggered when a user with dashboard access views the cron job list, which calls 'Elixir.Oban.Web.CronExpr':describe/1 to render the expression."}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:oban_web_project:oban_web:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.12.5", "versionStartIncluding": "2.12.0", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "AND"}], "credits": [{"lang": "en", "type": "finder", "value": "Peter Ullrich"}, {"lang": "en", "type": "remediation developer", "value": "Shannon Selbert"}, {"lang": "en", "type": "analyst", "value": "Jonatan M\u00e4nnchen"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Uncontrolled Resource Consumption vulnerability in oban-bg oban_web (<tt>'Elixir.Oban.Web.CronExpr'</tt> modules) allows memory exhaustion via unbounded cron range expansion.</p><p>An attacker with access to schedule cron jobs can submit a malicious cron expression such as <tt>\"0 0 1-100000000 * *\"</tt>. When a user with dashboard access views the cron job list, <tt>'Elixir.Oban.Web.CronExpr':describe/1</tt> is called to render the expression. <tt>parse_range/1</tt> parses both range endpoints via <tt>Integer.parse/1</tt> with no bounds check, and the downstream helpers <tt>expand_dom_parts/1</tt> and <tt>expand_dow_parts/1</tt> materialise the range eagerly via <tt>Enum.to_list/1</tt>, causing allocation of ~2.4 GB and stalling or crashing the BEAM node. A sibling helper <tt>extract_dom_values</tt> already validates range bounds, but the expansion helpers do not.</p><p>This issue affects oban_web: from 2.12.0 before 2.12.5.</p>"}], "value": "Uncontrolled Resource Consumption vulnerability in oban-bg oban_web ('Elixir.Oban.Web.CronExpr' modules) allows memory exhaustion via unbounded cron range expansion.\n\nAn attacker with access to schedule cron jobs can submit a malicious cron expression such as \"0 0 1-100000000 * *\". When a user with dashboard access views the cron job list, 'Elixir.Oban.Web.CronExpr':describe/1 is called to render the expression. parse_range/1 parses both range endpoints via Integer.parse/1 with no bounds check, and the downstream helpers expand_dom_parts/1 and expand_dow_parts/1 materialise the range eagerly via Enum.to_list/1, causing allocation of ~2.4 GB and stalling or crashing the BEAM node. A sibling helper extract_dom_values already validates range bounds, but the expansion helpers do not.\n\nThis issue affects oban_web: from 2.12.0 before 2.12.5."}], "impacts": [{"capecId": "CAPEC-130", "descriptions": [{"lang": "en", "value": "CAPEC-130 Excessive Allocation"}]}], "metrics": [{"cvssV4_0": {"attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "baseScore": 5.9, "baseSeverity": "MEDIUM", "privilegesRequired": "LOW", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "shortName": "EEF", "dateUpdated": "2026-05-26T19:49:25.832Z"}, "references": [{"tags": ["vendor-advisory", "related"], "url": "https://github.com/oban-bg/oban_web/security/advisories/GHSA-6xh2-93p9-vqh4"}, {"tags": ["related"], "url": "https://cna.erlef.org/cves/CVE-2026-48593.html"}, {"tags": ["related"], "url": "https://osv.dev/vulnerability/EEF-CVE-2026-48593"}, {"tags": ["patch"], "url": "https://github.com/oban-bg/oban_web/commit/9998b7e284e02fdd4645dd6231760038e63b584d"}], "source": {"discovery": "EXTERNAL"}, "title": "Unbounded range expansion in cron describe causes memory exhaustion in oban_web", "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-26T20:46:18.908875Z", "id": "CVE-2026-48593", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-26T20:46:24.889Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-48593", "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "state": "PUBLISHED", "assignerShortName": "EEF", "dateReserved": "2026-05-22T09:36:56.834Z", "datePublished": "2026-05-26T19:46:43.980Z", "dateUpdated": "2026-05-26T20:46:24.889Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://repo.hex.pm", "cpes": ["cpe:2.3:a:oban_web_project:oban_web:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.Oban.Web.CronExpr'"], "packageName": "oban_web", "packageURL": "pkg:hex/oban_web", "product": "oban_web", "programFiles": ["lib/oban/web/cron_expr.ex"], "programRoutines": [{"name": "'Elixir.Oban.Web.CronExpr':describe/1"}, {"name": "'Elixir.Oban.Web.CronExpr':parse_range/1"}, {"name": "'Elixir.Oban.Web.CronExpr':expand_dom_parts/1"}, {"name": "'Elixir.Oban.Web.CronExpr':expand_dow_parts/1"}], "vendor": "oban-bg", "versions": [{"lessThan": "2.12.5", "status": "affected", "version": "2.12.0", "versionType": "semver"}]}, {"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:oban_web_project:oban_web:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.Oban.Web.CronExpr'"], "packageName": "oban-bg/oban_web", "packageURL": "pkg:github/oban-bg/oban_web", "product": "oban_web", "programFiles": ["lib/oban/web/cron_expr.ex"], "programRoutines": [{"name": "'Elixir.Oban.Web.CronExpr':describe/1"}, {"name": "'Elixir.Oban.Web.CronExpr':parse_range/1"}, {"name": "'Elixir.Oban.Web.CronExpr':expand_dom_parts/1"}, {"name": "'Elixir.Oban.Web.CronExpr':expand_dow_parts/1"}], "repo": "https://github.com/oban-bg/oban_web.git", "vendor": "oban-bg", "versions": [{"lessThan": "9998b7e284e02fdd4645dd6231760038e63b584d", "status": "affected", "version": "a97c7960bb389b05aaab4cf8042985f02ceddc24", "versionType": "git"}]}], "configurations": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>The vulnerability is exploitable when an attacker with access to schedule cron jobs submits a malicious cron expression. The crash is triggered when a user with dashboard access views the cron job list, which calls <tt>'Elixir.Oban.Web.CronExpr':describe/1</tt> to render the expression.</p>"}], "value": "The vulnerability is exploitable when an attacker with access to schedule cron jobs submits a malicious cron expression. The crash is triggered when a user with dashboard access views the cron job list, which calls 'Elixir.Oban.Web.CronExpr':describe/1 to render the expression."}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:oban_web_project:oban_web:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.12.5", "versionStartIncluding": "2.12.0", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "AND"}], "credits": [{"lang": "en", "type": "finder", "value": "Peter Ullrich"}, {"lang": "en", "type": "remediation developer", "value": "Shannon Selbert"}, {"lang": "en", "type": "analyst", "value": "Jonatan M\u00e4nnchen"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Uncontrolled Resource Consumption vulnerability in oban-bg oban_web (<tt>'Elixir.Oban.Web.CronExpr'</tt> modules) allows memory exhaustion via unbounded cron range expansion.</p><p>An attacker with access to schedule cron jobs can submit a malicious cron expression such as <tt>\"0 0 1-100000000 * *\"</tt>. When a user with dashboard access views the cron job list, <tt>'Elixir.Oban.Web.CronExpr':describe/1</tt> is called to render the expression. <tt>parse_range/1</tt> parses both range endpoints via <tt>Integer.parse/1</tt> with no bounds check, and the downstream helpers <tt>expand_dom_parts/1</tt> and <tt>expand_dow_parts/1</tt> materialise the range eagerly via <tt>Enum.to_list/1</tt>, causing allocation of ~2.4 GB and stalling or crashing the BEAM node. A sibling helper <tt>extract_dom_values</tt> already validates range bounds, but the expansion helpers do not.</p><p>This issue affects oban_web: from 2.12.0 before 2.12.5.</p>"}], "value": "Uncontrolled Resource Consumption vulnerability in oban-bg oban_web ('Elixir.Oban.Web.CronExpr' modules) allows memory exhaustion via unbounded cron range expansion.\n\nAn attacker with access to schedule cron jobs can submit a malicious cron expression such as \"0 0 1-100000000 * *\". When a user with dashboard access views the cron job list, 'Elixir.Oban.Web.CronExpr':describe/1 is called to render the expression. parse_range/1 parses both range endpoints via Integer.parse/1 with no bounds check, and the downstream helpers expand_dom_parts/1 and expand_dow_parts/1 materialise the range eagerly via Enum.to_list/1, causing allocation of ~2.4 GB and stalling or crashing the BEAM node. A sibling helper extract_dom_values already validates range bounds, but the expansion helpers do not.\n\nThis issue affects oban_web: from 2.12.0 before 2.12.5."}], "impacts": [{"capecId": "CAPEC-130", "descriptions": [{"lang": "en", "value": "CAPEC-130 Excessive Allocation"}]}], "metrics": [{"cvssV4_0": {"attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "baseScore": 5.9, "baseSeverity": "MEDIUM", "privilegesRequired": "LOW", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "shortName": "EEF", "dateUpdated": "2026-05-26T19:49:25.832Z"}, "references": [{"tags": ["vendor-advisory", "related"], "url": "https://github.com/oban-bg/oban_web/security/advisories/GHSA-6xh2-93p9-vqh4"}, {"tags": ["related"], "url": "https://cna.erlef.org/cves/CVE-2026-48593.html"}, {"tags": ["related"], "url": "https://osv.dev/vulnerability/EEF-CVE-2026-48593"}, {"tags": ["patch"], "url": "https://github.com/oban-bg/oban_web/commit/9998b7e284e02fdd4645dd6231760038e63b584d"}], "source": {"discovery": "EXTERNAL"}, "title": "Unbounded range expansion in cron describe causes memory exhaustion in oban_web", "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-48593", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-26T20:46:18.908875Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-26T20:46:21.859Z"}}]}}

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{}

{"created": "2026-05-26T21:30:16.445175+00:00", "updated": "2026-05-26T21:30:16.445194+00:00", "vendors": []}