CVE-2026-77122 (GCVE-0-2026-77122)
Vulnerability from cvelistv5 – Published: 2026-09-02 17:03 – Updated: 2026-09-02 17:47
VLAI
EPSS
VEX
Title
Nexus Repository 3 - Incorrect Authorization Allows Disclosure of Member Repository Metadata via Group Repository Permissions
Summary
An authorization flaw in the REST API repository details endpoint (GET /service/rest/v1/repositories/{repositoryName}) in Sonatype Nexus Repository 3 allowed an account holding read or browse permission on a group repository to retrieve metadata for member repositories on which it held no direct permission, by requesting the endpoint directly for the member repository name. For proxy repositories, the disclosed metadata includes the configured remote URL, which may reveal internal upstream hostnames. This includes the anonymous user if it has been granted this permission; whether the anonymous user holds this permission depends on the role and permission configuration of the specific installation.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-02 17:45 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://help.sonatype.com/en/sonatype-nexus-repos… | patch |
| https://support.sonatype.com/hc/en-us/articles/54… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Sonatype | Nexus Repository 3 |
Affected:
3.38.0 , < 3.96.0
(semver)
cpe:2.3:a:sonatype:nexus_repository_manager:3.38.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.38.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.39.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.40.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.40.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.41.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.41.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.42.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.43.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.44.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.45.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.45.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.46.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.47.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.48.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.49.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.50.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.51.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.52.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.53.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.53.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.54.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.54.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.55.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.56.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.57.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.58.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.59.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.60.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.61.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.62.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.63.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.64.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.65.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.66.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.67.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.68.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.68.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.69.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.70.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.70.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.70.2:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.70.3:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.70.4:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.70.5:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.71.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.72.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.73.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.74.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.75.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.75.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.76.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.76.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.77.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.77.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.77.2:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.78.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.78.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.78.2:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.78.3:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.79.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.79.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.80.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.81.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.81.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.82.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.82.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.83.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.83.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.83.2:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.84.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.84.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.84.2:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.85.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.85.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.86.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.86.2:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.86.3:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.87.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.87.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.87.2:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.88.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.89.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.89.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.90.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.90.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.90.2:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.90.3:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.90.4:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.90.5:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.91.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.91.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.92.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.92.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.92.2:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.92.3:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.93.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.93.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.93.2:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.94.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.94.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.95.0:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.95.1:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.95.2:*:*:*:*:*:*:* cpe:2.3:a:sonatype:nexus_repository_manager:3.95.3:*:*:*:*:*:*:* |
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],
"defaultStatus": "unaffected",
"product": "Nexus Repository 3",
"vendor": "Sonatype",
"versions": [
{
"lessThan": "3.96.0",
"status": "affected",
"version": "3.38.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Yousif (s3c_krd)"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eAn authorization flaw in the REST API repository details endpoint (\u003ccode\u003eGET /service/rest/v1/repositories/{repositoryName}\u003c/code\u003e) in Sonatype Nexus Repository 3 allowed an account holding read or browse permission on a group repository to retrieve metadata for member repositories on which it held no direct permission, by requesting the endpoint directly for the member repository name. For proxy repositories, the disclosed metadata includes the configured remote URL, which may reveal internal upstream hostnames. This includes the anonymous user if it has been granted this permission; whether the anonymous user holds this permission depends on the role and permission configuration of the specific installation.\u003c/p\u003e"
}
],
"value": "An authorization flaw in the REST API repository details endpoint (GET /service/rest/v1/repositories/{repositoryName}) in Sonatype Nexus Repository 3 allowed an account holding read or browse permission on a group repository to retrieve metadata for member repositories on which it held no direct permission, by requesting the endpoint directly for the member repository name. For proxy repositories, the disclosed metadata includes the configured remote URL, which may reveal internal upstream hostnames. This includes the anonymous user if it has been granted this permission; whether the anonymous user holds this permission depends on the role and permission configuration of the specific installation."
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "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",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
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"lang": "en",
"value": "GENERAL"
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}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-863",
"description": "CWE-863 Incorrect Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-02T17:03:25.960Z",
"orgId": "103e4ec9-0a87-450b-af77-479448ddef11",
"shortName": "Sonatype"
},
"references": [
{
"tags": [
"patch"
],
"url": "https://help.sonatype.com/en/sonatype-nexus-repository-3-96-0-release-notes.html"
},
{
"tags": [
"vendor-advisory"
],
"url": "https://support.sonatype.com/hc/en-us/articles/54637328224019/"
}
],
"source": {
"discovery": "EXTERNAL"
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"title": "Nexus Repository 3 - Incorrect Authorization Allows Disclosure of Member Repository Metadata via Group Repository Permissions",
"x_generator": {
"engine": "Vulnogram 1.0.1"
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}
},
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"assignerShortName": "Sonatype",
"cveId": "CVE-2026-77122",
"datePublished": "2026-09-02T17:03:25.960Z",
"dateReserved": "2026-08-20T13:00:25.162Z",
"dateUpdated": "2026-09-02T17:47:07.777Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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