CVE-2026-11403: A vulnerability in Sonatype Nexus Repository Manager's format-specific API key generation may allow a remote attacker to gain unauthorized access to repository operations as a targ
A vulnerability in Sonatype Nexus Repository Manager's format-specific API key generation may allow a remote attacker to gain unauthorized access to repository operations as a targeted user. A format-specific API key realm (NuGet API Key, Docker Bearer Token, or npm Bearer Token) must be enabled and the targeted user must have an active API key for this vulnerability to be exploitable.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-11403
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-114030.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 28% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-11403 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
Recent advisories for Sonatype Nexus Repository
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- medium[NEW] [medium] Sonatype Nexus Repository Manager: Multiple vulnerabilitiescert-bund · 2026-07-15
- criticalexploitedCVE-2019-7238: Sonatype Nexus Repository Manager Incorrect Access Control Vulnerabilitycisa-kev · 2021-12-10
- criticalexploitedCVE-2020-10199: Sonatype Nexus Repository Remote Code Execution Vulnerabilitycisa-kev · 2021-11-03
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