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.
Scores
CVSS v3
7.5
EPSS
0.0006
EPSS Percentile
18.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-400
CWE-502
Status
published
Products (9)
erlang/rebar3
209c02ec57c2cc3207ee0174c3af3675b8dc8f79 - 1d4478f527e373de0b225951e53115450e0d9b9d
erlang/rebar3
3.9.1 - 3.27.0 (2 CPE variants)
hex/hex
2.3.0 - 2.3.2
Hex/hex_core
0 - 0.12.1Hex
hex/hex_core
0.1.0 - 0.12.1
hexpm/hex
2.3.0 - 2.3.2
hexpm/hex
314546ac432229518714cc8e3336e916b9da6305 - 636739f3322514e9303ca335fb630696fcbb3c95
hexpm/hex_core
0.1.0 - 0.12.1
hexpm/hex_core
eb327f8edfe45507351e38cc0805aa12fa647f0b - cdf726095bca85ad2549d146df1e831ae93c2b13
Published
Feb 27, 2026
Tracked Since
Feb 28, 2026