{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-21619", "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "state": "PUBLISHED", "assignerShortName": "EEF", "dateReserved": "2026-01-01T03:46:45.933Z", "datePublished": "2026-02-27T17:57:11.513Z", "dateUpdated": "2026-02-27T19:08:57.019Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:hexpm:hex_core:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["hex_api"], "packageName": "hexpm/hex_core", "packageURL": "pkg:github/hexpm/hex_core", "product": "hex_core", "programFiles": ["src/hex_api.erl"], "programRoutines": [{"name": "hex_core:request/4"}], "repo": "https://github.com/hexpm/hex_core", "vendor": "hexpm", "versions": [{"lessThan": "cdf726095bca85ad2549d146df1e831ae93c2b13", "status": "affected", "version": "eb327f8edfe45507351e38cc0805aa12fa647f0b", "versionType": "git"}]}, {"collectionURL": "https://repo.hex.pm", "cpes": ["cpe:2.3:a:hexpm:hex_core:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["hex_api"], "packageName": "hex_core", "packageURL": "pkg:hex/hex_core", "product": "hex_core", "programFiles": ["src/hex_api.erl"], "programRoutines": [{"name": "hex_core:request/4"}], "repo": "https://github.com/hexpm/hex_core", "vendor": "hexpm", "versions": [{"lessThan": "0.12.1", "status": "affected", "version": "0.1.0", "versionType": "semver"}, {"lessThan": "pkg:hex/hex_core@0.12.1", "status": "affected", "version": "pkg:hex/hex_core@0.1.0", "versionType": "purl"}]}, {"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:hexpm:hex:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["mix_hex_api"], "packageName": "hexpm/hex", "packageURL": "pkg:github/hexpm/hex", "product": "hex", "programFiles": ["src/mix_hex_api.erl"], "programRoutines": [{"name": "mix_hex_api:request/4"}], "repo": "https://github.com/hexpm/hex", "vendor": "hexpm", "versions": [{"lessThan": "636739f3322514e9303ca335fb630696fcbb3c95", "status": "affected", "version": "314546ac432229518714cc8e3336e916b9da6305", "versionType": "git"}]}, {"cpes": ["cpe:2.3:a:hexpm:hex:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["mix_hex_api"], "packageName": "hex", "packageURL": "pkg:otp/hex?repository_url=https:%2F%2Fgithub.com%2Fhexpm%2Fhex.git&vcs_url=git%2Bhttps:%2F%2Fgithub.com%2Fhexpm%2Fhex.git", "product": "hex", "programFiles": ["src/mix_hex_api.erl"], "programRoutines": [{"name": "mix_hex_api:request/4"}], "repo": "https://github.com/hexpm/hex", "vendor": "hexpm", "versions": [{"lessThan": "2.3.2", "status": "affected", "version": "2.3.0", "versionType": "semver"}, {"lessThan": "pkg:otp/hex@2.3.2", "status": "affected", "version": "pkg:otp/hex@2.3.0", "versionType": "purl"}]}, {"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:erlang:rebar3:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["r3_hex_api"], "packageName": "erlang/rebar3", "packageURL": "pkg:github/erlang/rebar3", "product": "rebar3", "programFiles": ["apps/rebar/src/vendored/r3_hex_api.erl"], "programRoutines": [{"name": "r3_hex_api:request/4"}], "repo": "https://github.com/erlang/rebar3", "vendor": "erlang", "versions": [{"lessThan": "1d4478f527e373de0b225951e53115450e0d9b9d", "status": "affected", "version": "209c02ec57c2cc3207ee0174c3af3675b8dc8f79", "versionType": "git"}]}, {"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:erlang:rebar3:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["r3_hex_api"], "packageName": "rebar3", "packageURL": "pkg:otp/rebar3?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Frebar3.git&vcs_url=git%2Bhttps:%2F%2Fgithub.com%2Ferlang%2Frebar3.git", "product": "rebar3", "programFiles": ["apps/rebar/src/vendored/r3_hex_api.erl"], "programRoutines": [{"name": "r3_hex_api:request/4"}], "repo": "https://github.com/erlang/rebar3", "vendor": "erlang", "versions": [{"lessThan": "3.27.0", "status": "affected", "version": "3.9.1", "versionType": "semver"}, {"lessThan": "pkg:otp/rebar3@3.27.0", "status": "affected", "version": "pkg:otp/rebar3@3.9.1", "versionType": "purl"}]}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:hexpm:hex_core:*:*:*:*:*:*:*:*", "versionEndExcluding": "0.12.1", "versionStartIncluding": "0.1.0", "vulnerable": true}], "negate": false, "operator": "AND"}, {"cpeMatch": [{"criteria": "cpe:2.3:a:hexpm:hex:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.3.2", "versionStartIncluding": "2.3.0", "vulnerable": true}], "negate": false, "operator": "AND"}, {"cpeMatch": [{"criteria": "cpe:2.3:a:erlang:rebar3:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.27.0", "versionStartIncluding": "3.9.1", "vulnerable": true}], "negate": false, "operator": "AND"}], "operator": "OR"}], "credits": [{"lang": "en", "type": "finder", "value": "Michael Lubas / Paraxial.ia"}, {"lang": "en", "type": "remediation developer", "value": "Jonatan M\u00e4nnchen / EEF"}, {"lang": "en", "type": "remediation reviewer", "value": "Eric Meadows-J\u00f6nsson / Hex.pm"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Uncontrolled Resource Consumption, Deserialization of Untrusted Data vulnerability in hexpm hex_core (hex_api modules), hexpm hex (mix_hex_api modules), erlang rebar3 (r3_hex_api modules) allows Object Injection, Excessive Allocation.<p> This vulnerability is associated with program files <tt>src/hex_api.erl</tt>, <tt>src/mix_hex_api.erl</tt>, <tt>apps/rebar/src/vendored/r3_hex_api.erl</tt> and program routines <tt>hex_core:request/4</tt>, <tt>mix_hex_api:request/4</tt>, <tt>r3_hex_api:request/4</tt>.</p><p>This issue affects hex_core: from 0.1.0 before 0.12.1; hex: from 2.3.0 before 2.3.2; rebar3: from 3.9.1 before 3.27.0.</p>"}], "value": "Uncontrolled Resource Consumption, Deserialization of Untrusted Data vulnerability in hexpm hex_core (hex_api modules), hexpm hex (mix_hex_api modules), erlang rebar3 (r3_hex_api modules) allows Object Injection, Excessive Allocation. This vulnerability is associated with program files src/hex_api.erl, src/mix_hex_api.erl, apps/rebar/src/vendored/r3_hex_api.erl and program routines hex_core:request/4, mix_hex_api:request/4, r3_hex_api:request/4.\n\nThis issue affects hex_core: from 0.1.0 before 0.12.1; hex: from 2.3.0 before 2.3.2; rebar3: from 3.9.1 before 3.27.0."}], "impacts": [{"capecId": "CAPEC-586", "descriptions": [{"lang": "en", "value": "CAPEC-586 Object Injection"}]}, {"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": "NETWORK", "baseScore": 2, "baseSeverity": "LOW", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-502", "description": "CWE-502 Deserialization of Untrusted Data", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "shortName": "EEF", "dateUpdated": "2026-02-27T17:57:11.513Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://github.com/hexpm/hex_core/security/advisories/GHSA-hx9w-f2w9-9g96"}, {"tags": ["patch"], "url": "https://github.com/hexpm/hex_core/commit/cdf726095bca85ad2549d146df1e831ae93c2b13"}, {"tags": ["patch"], "url": "https://github.com/hexpm/hex/commit/636739f3322514e9303ca335fb630696fcbb3c95"}, {"tags": ["patch"], "url": "https://github.com/erlang/rebar3/commit/1d4478f527e373de0b225951e53115450e0d9b9d"}], "source": {"discovery": "INTERNAL"}, "title": "Unsafe Deserialization of Erlang Terms in hex_core", "x_generator": {"engine": "Vulnogram 0.5.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-02-27T19:08:49.652728Z", "id": "CVE-2026-21619", "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": "2026-02-27T19:08:57.019Z"}}]}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Uncontrolled Resource Consumption, Deserialization of Untrusted Data vulnerability in hexpm hex_core (hex_api modules), hexpm hex (mix_hex_api modules), erlang rebar3 (r3_hex_api modules) allows Object Injection, Excessive Allocation. This vulnerability is associated with program files src/hex_api.erl, src/mix_hex_api.erl, apps/rebar/src/vendored/r3_hex_api.erl and program routines hex_core:request/4, mix_hex_api:request/4, r3_hex_api:request/4.\n\nThis issue affects hex_core: from 0.1.0 before 0.12.1; hex: from 2.3.0 before 2.3.2; rebar3: from 3.9.1 before 3.27.0."}], "id": "CVE-2026-21619", "lastModified": "2026-02-27T18:16:11.373", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.0, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}]}, "published": "2026-02-27T18:16:11.373", "references": [{"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/erlang/rebar3/commit/1d4478f527e373de0b225951e53115450e0d9b9d"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/hexpm/hex/commit/636739f3322514e9303ca335fb630696fcbb3c95"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/hexpm/hex_core/commit/cdf726095bca85ad2549d146df1e831ae93c2b13"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/hexpm/hex_core/security/advisories/GHSA-hx9w-f2w9-9g96"}], "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}, {"lang": "en", "value": "CWE-502"}], "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}]}

{}

{}