Unsafe Deserialization of Erlang Terms in hex_core (hexpm hex_core)

CVE-2026-21619

LOW 2.0

En bref

Source: NVD
EPSS: EPSS 0.64 % · centile 50 (2026-10-29)
État: PUBLISHED
Publiée: 2026-02-27 17:57 UTC
Mise à jour: 2026-05-27 15:40 UTC
Attribuée par: EEF
Statut NVD: Modified

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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.

Faiblesses (CWE)

CWE-400 — Consommation de ressources non maîtrisée (déni de service)
CWE-502 — Désérialisation de données non fiables

Références

Scores

Version	Score	Vecteur	Évalué par
CVSS 4.0	LOW 2.0	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	EEF
CVSS 4.0	LOW 2.0	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	NVD · 6b3ad84c-e1a6-4bf7-a703-f496b71e49db (Secondary)
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	NVD · nvd@nist.gov (Primary)

Références européennes

ENISA EUVD · EUVD-2026-9037
GCVE · GCVE-0-2026-21619

Configurations affectées (CPE NVD)

cpe:2.3:a:erlang:rebar3:*:*:*:*:*:*:*:* ≥ 3.9.1 < 3.27.0
cpe:2.3:a:hex:hex:*:*:*:*:*:*:*:* ≥ 2.3.0 < 2.3.2
cpe:2.3:a:hex:hex_core:*:*:*:*:*:*:*:* ≥ 0.1.0 < 0.12.1

Produits affectés

Produit	Versions
hexpm · hex_core	affected eb327f8edfe45507351e38cc0805aa12fa647f0b < cdf726095bca85ad2549d146df1e831ae93c2b13
hexpm · hex_core	affected 0.1.0 < 0.12.1
hexpm · hex	affected 314546ac432229518714cc8e3336e916b9da6305 < 636739f3322514e9303ca335fb630696fcbb3c95
hexpm · hex	affected 2.3.0 < 2.3.2
erlang · rebar3	affected 209c02ec57c2cc3207ee0174c3af3675b8dc8f79 < 1d4478f527e373de0b225951e53115450e0d9b9d
erlang · rebar3	affected 3.9.1 < 3.27.0

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD

🟢 Unsafe Deserialization of Erlang Terms in hex_core (hexpm hex_core)