CVE-2026-21619
HIGH WAF: Medium
CVSS 7.5
Published: 2026-02-27
CWE-400 CWE-502
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.
WAF Coverage Analysis
Uncontrolled Resource Consumption
Medium WAF Coverage
OWASP: A05:2021 Security Misconfiguration
912xxx - DOS Protection
Insecure Deserialization
Medium WAF Coverage
OWASP: A08:2021 Software and Data Integrity Failures
944xxx - Java Attack
Affected Software
| Vendor | Product | Version |
|---|---|---|
| erlang | rebar3 | 3.9.1 - 3.27.0 |
| hex | hex | 2.3.0 - 2.3.2 |
| hex | hex_core | 0.1.0 - 0.12.1 |
References
- cna.erlef.org
- github.com (Patch)
- github.com (Patch)
- github.com (Patch)
- github.com (Mitigation, Vendor Advisory)
- osv.dev