# CVE-2026-113372: Nexus Repository 3 - Insufficiently Protected Credentials in YUM Repository Signing Key

Status: published. Published: 2026-11-04. Updated: 2026-11-09.

Sonatype Nexus Repository 3 returns the private signing key of a YUM proxy or group repository to an account that holds only the read privilege for administering that repository. The account does not need the privilege to edit the repository. A party that holds the key can sign repository metadata as that repository.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: Sonatype) — https://help.sonatype.com/en/sonatype-nexus-repository-3-98-0-release-notes.html

## Affected products and versions

- Sonatype / Nexus Repository 3: ≥ 3.93.0; < 3.98.0 (affected, semver). Source: CNA: Sonatype

## Severity and prioritization

- CVSS 4.0: 7.1 (high); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N; source: CNA: Sonatype

- CVSS 4.0: 7.1 (high); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/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; source: NVD: 103e4ec9-0a87-450b-af77-479448ddef11

- CISA KEV: No listing in collected sources

- EPSS: 0.21% as of 2026-11-09; percentile 11.99%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-522

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://help.sonatype.com/en/sonatype-nexus-repository-3-98-0-release-notes.html (CNA: Sonatype; patch)

- https://support.sonatype.com/hc/en-us/articles/56612283547539/ (CNA: Sonatype; vendor-advisory)

- https://help.sonatype.com/en/sonatype-nexus-repository-3-98-0-release-notes.html (103e4ec9-0a87-450b-af77-479448ddef11)

- https://support.sonatype.com/hc/en-us/articles/56612283547539/ (103e4ec9-0a87-450b-af77-479448ddef11)

## Provenance

- CNA: Sonatype: https://www.cve.org/CVERecord?id=CVE-2026-113372; retrieved 2026-11-09; source updated 2026-11-09

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-113372; retrieved 2026-11-05; source updated 2026-11-05

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-113372; retrieved 2026-11-09; source updated Not reported

Revision: 3c4319a14d1ceb78304ab0e6c21a8c6a445a12a3c6e8b72de90422eee1d6b420

Canonical: https://y2.dev/cve/CVE-2026-113372

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.