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CVE-2026-77123

MEDIUMCVSS 6/10EPSS 0.24%

Last modified

CVE-2026-77123 is a medium-severity vulnerability rated 6/10 on the CVSS scale. Nexus Repository 3 contains a sensitive information disclosure vulnerability in the capability read API. An account holding the nexus:capabilities:read privilege can retrieve the plaintext shared secret configured on a webhook capability, which is intended to be masked from all API responses. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

Nexus Repository 3 contains a sensitive information disclosure vulnerability in the capability read API. An account holding the nexus:capabilities:read privilege can retrieve the plaintext shared secret configured on a webhook capability, which is intended to be masked from all API responses. This issue affects Nexus Repository 3 versions 3.2.0 through 3.95.x, and is fixed in version 3.96.0.

Metrics

CVSS 4.0
6/10

CVSS:4.0/AV:N/AC:L/AT:P/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

EPSS Probability
0.24%

14.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
SonatypeNexus Repository 3>= 3.2.0, < 3.96.0

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-77123?
Nexus Repository 3 contains a sensitive information disclosure vulnerability in the capability read API. An account holding the nexus:capabilities:read privilege can retrieve the plaintext shared secret configured on a webhook capability, which is intended to be masked from all API responses. This issue affects Nexus Repository 3 versions 3.2.0 through 3.95.x, and is fixed in version 3.96.0.
How severe is CVE-2026-77123?
CVE-2026-77123 has a CVSS score of 6/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.
How do I fix CVE-2026-77123?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST