CVE-2026-66384 (GCVE-0-2026-66384)
Vulnerability from cvelistv5 – Published: 2026-08-12 15:14 – Updated: 2026-08-28 03:55Title
Authenticated users may write data outside the intended Docker cache path
Summary
An authenticated user may write data outside the intended Docker cache path under specific remote-repository conditions.
Severity
5.3 (Medium)
SSVC
Exploitation: active
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 00:00 UTC
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://docs.jfrog.com/releases/docs/jfrog-securi… | vendor-advisory |
| https://docs.jfrog.com/releases/docs/artifactory-… | vendor-advisory |
| https://cdn.openai.com/pdf/67869394-cb91-4c12-888… | third-party-advisory |
| https://openai.com/index/hugging-face-incident-an… | third-party-advisory |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| jfrog | artifactory |
Affected:
0 , < 7.146.35
(custom)
Affected: 7.161.0 , < 7.161.16 (custom) |
guessed |
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: d46c9d24-f8e3-4328-8a89-6da9954a94e6
Exploited: Yes
Timestamps
First Seen: 2026-08-27
Asserted: 2026-08-27
Scope
Notes: JFrog Artifactory Improper Limitation of a Pathname to a Restricted Directory Vulnerability | Affected: JFrog / Artifactory | Description: JFrog Artifactory contains an improper limitation of a pathname to a restricted directory vulnerability. This can allow an authenticated user to write data outside the intended Docker cache path under specific remote-repository conditions. | Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. | Due date: 2026-09-10 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://docs.jfrog.com/releases/docs/jfrog-security-advisories ; https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-66384
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-22 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | Artifactory |
| Due Date | 2026-09-10 |
| Date Added | 2026-08-27 |
| Vendorproject | JFrog |
| Vulnerabilityname | JFrog Artifactory Improper Limitation of a Pathname to a Restricted Directory Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-08-27 18:00 UTC
| Updated: 2026-08-27 18:00 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 3e9f5889-5719-43ed-9863-03a1381fa332
Exploited: Yes
Timestamps
First Seen: 2026-08-27
Asserted: 2026-08-27
Scope
Notes: Authenticated users may write data outside the intended Docker cache path | Affected: jfrog / artifactory | CVSS: 5.3 (MEDIUM) | EPSS: 0.00264 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: previdian
Details
| Feed | Previdian (previdian.com) |
|---|---|
| Title | Authenticated users may write data outside the intended Docker cache path |
| Vendor | jfrog |
| Product | artifactory |
| Added Date | 2026-08-27T17:00:36.663Z |
| Cvss Score | 5.3 |
| Epss Score | 0.00264 |
| Cvss Severity | MEDIUM |
| Epss Percentile | 0.17918 |
| Used In Malware | unknown |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-08-28 18:00 UTC
| Updated: 2026-08-28 18:00 UTC
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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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