CVE-2026-48038: hapijs joi Uncaught Exception
Vulnerability summary
CVE-2026-48038 is a medium (CVSS 5.3) Uncaught Exception vulnerability in hapijs joi. EPSS estimates a 0.52% chance of exploitation in the next 30 days, higher than 43.2% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 0 · Related 1Timeline
- 14-07-2026PublishedVulnerability first disclosed.
- 15-07-2026Last modifiedVulnerability information updated.
Description
joi is a schema description language and data validator for JavaScript. Prior to 17.13.4 and 18.2.1, denial of service is possible via an untrapped exception in services validating user-supplied JSON or object input with recursive link() schemas. When validate() is called without try/catch in a request handler, deeply nested input can trigger an unhandled RangeError and potentially crash the process; lower-impact paths using validateAsync() or try/catch produce a RangeError instead of a structured ValidationError. This issue is fixed in versions 17.13.4 and 18.2.1.
CVSS metrics
5 scores · 5 sources · 1 version- OSV · WolfiEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- OSV · NpmEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- OSV · ChainguardEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS trend
Probability
0.52%
Chance of exploitation in the next 30 days
Percentile
43%
Versus all other CVEs
30-day change
0.00 pp
From 0.52% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard51 products
- arangodb-3.11All versions (No fix recorded)
- arangodb-3.12All versions (No fix recorded)
- gitlab-rails-ce-18.10All versions (No fix recorded)
- gitlab-rails-ce-18.11< 18.11.6-r7
- gitlab-rails-ce-18.5All versions (No fix recorded)
Wolfi12 products
- katib-earlystopping< 0.19.0-r31
- katib-suggestion-goptuna-compatAll versions (No fix recorded)
- katib-suggestion-hyperband< 0.19.0-r31
- katib-suggestion-hyperopt< 0.19.0-r40 | < 0.19.0-r31
- katib-suggestion-nas-darts< 0.19.0-r31
Hapijs1 product
- joi< 17.13.4 | ≥ 18.0.0, < 18.2.1
Npm1 product
- joi≥ 18.0.0, < 18.2.1 | < 17.13.4
4 vendors · 65 products
References
8 links- github.com/hapijs/joiPACKAGE