CVE-2026-21619

Summary

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.

Affected Software

VendorProductVersion RangeStatus
hexpmhex_coreeb327f8edfe45507351e38cc0805aa12fa647f0b < cdf726095bca85ad2549d146df1e831ae93c2b13affected
hexpmhex_core0.1.0 < 0.12.1affected
hexpmhex314546ac432229518714cc8e3336e916b9da6305 < 636739f3322514e9303ca335fb630696fcbb3c95affected
hexpmhex2.3.0 < 2.3.2affected
erlangrebar3209c02ec57c2cc3207ee0174c3af3675b8dc8f79 < 1d4478f527e373de0b225951e53115450e0d9b9daffected
erlangrebar33.9.1 < 3.27.0affected

Weaknesses

  • CWE-400: CWE-400 Uncontrolled Resource Consumption
  • CWE-502: CWE-502 Deserialization of Untrusted Data

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References