CVE-2026-21619— Unsafe Deserialization of Erlang Terms in hex_core
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I. Basic Information for CVE-2026-21619
Vulnerability Information
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Vulnerability Title
Unsafe Deserialization of Erlang Terms in hex_core
Source: NVD (National Vulnerability Database)
Vulnerability Description
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. 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
hex_core 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
hex_core是Hex开源的一个十六进制实现库 hex_core 0.12.1之前版本、hex 2.3.2之前版本和rebar3 3.27.0之前版本存在安全漏洞，该漏洞源于不受控资源消耗和不可信数据反序列化，可能导致对象注入和过度分配。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| hexpm | hex_core | eb327f8edfe45507351e38cc0805aa12fa647f0b ~ cdf726095bca85ad2549d146df1e831ae93c2b13 | cpe:2.3:a:hexpm:hex_core:*:*:*:*:*:*:*:* | |
| hexpm | hex_core | 0.1.0 ~ 0.12.1 | cpe:2.3:a:hexpm:hex_core:*:*:*:*:*:*:*:* | |
| hexpm | hex | 314546ac432229518714cc8e3336e916b9da6305 ~ 636739f3322514e9303ca335fb630696fcbb3c95 | cpe:2.3:a:hexpm:hex:*:*:*:*:*:*:*:* | |
| hexpm | hex | 2.3.0 ~ 2.3.2 | cpe:2.3:a:hexpm:hex:*:*:*:*:*:*:*:* | |
| erlang | rebar3 | 209c02ec57c2cc3207ee0174c3af3675b8dc8f79 ~ 1d4478f527e373de0b225951e53115450e0d9b9d | cpe:2.3:a:erlang:rebar3:*:*:*:*:*:*:*:* | |
| erlang | rebar3 | 3.9.1 ~ 3.27.0 | cpe:2.3:a:erlang:rebar3:*:*:*:*:*:*:*:* |
II. Public POCs for CVE-2026-21619
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
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V. Comments for CVE-2026-21619
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