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NVD Vulnerability Details :
CVE-2026-21619
Received
More InfoOfficial Page
Source-6b3ad84c-e1a6-4bf7-a703-f496b71e49db
View Known Exploited Vulnerability (KEV) details
Published At-27 Feb, 2026 | 18:16
Updated At-27 Feb, 2026 | 18:16

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.02.0LOW
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
Type: Secondary
Version: 4.0
Base score: 2.0
Base severity: LOW
Vector:
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
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-400Secondary6b3ad84c-e1a6-4bf7-a703-f496b71e49db
CWE-502Secondary6b3ad84c-e1a6-4bf7-a703-f496b71e49db
CWE ID: CWE-400
Type: Secondary
Source: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db
CWE ID: CWE-502
Type: Secondary
Source: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/erlang/rebar3/commit/1d4478f527e373de0b225951e53115450e0d9b9d6b3ad84c-e1a6-4bf7-a703-f496b71e49db
N/A
https://github.com/hexpm/hex/commit/636739f3322514e9303ca335fb630696fcbb3c956b3ad84c-e1a6-4bf7-a703-f496b71e49db
N/A
https://github.com/hexpm/hex_core/commit/cdf726095bca85ad2549d146df1e831ae93c2b136b3ad84c-e1a6-4bf7-a703-f496b71e49db
N/A
https://github.com/hexpm/hex_core/security/advisories/GHSA-hx9w-f2w9-9g966b3ad84c-e1a6-4bf7-a703-f496b71e49db
N/A
Hyperlink: https://github.com/erlang/rebar3/commit/1d4478f527e373de0b225951e53115450e0d9b9d
Source: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db
Resource: N/A
Hyperlink: https://github.com/hexpm/hex/commit/636739f3322514e9303ca335fb630696fcbb3c95
Source: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db
Resource: N/A
Hyperlink: https://github.com/hexpm/hex_core/commit/cdf726095bca85ad2549d146df1e831ae93c2b13
Source: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db
Resource: N/A
Hyperlink: https://github.com/hexpm/hex_core/security/advisories/GHSA-hx9w-f2w9-9g96
Source: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db
Resource: N/A
Change History
0Changes found
Details not found