CVE-2026-78122 (GCVE-0-2026-78122)
Vulnerability from cvelistv5 – Published: 2026-08-22 23:06 – Updated: 2026-08-26 17:55
VLAI
EPSS
VEX
Title
docker-socket-proxy through 0.5.0 Insufficient Access Control Granularity Exposes Container Filesystems
Summary
docker-socket-proxy fails to properly gate read endpoints in the /containers Docker API namespace when the CONTAINERS environment variable is set. Attackers can use GET requests to /containers/{id}/archive, /containers/{id}/export, /containers/{id}/logs, and /containers/{id}/top to read arbitrary files and download entire container filesystems as tar archives.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 17:55 UTC
CWE
- CWE-1220 - Insufficient Granularity of Access Control
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/Tecnativa/docker-socket-proxy/… | issue-tracking |
| https://github.com/Tecnativa/docker-socket-proxy | product |
| https://github.com/Tecnativa/docker-socket-proxy/… | technical-description |
| https://github.com/Tecnativa/docker-socket-proxy/… | issue-tracking |
| https://gist.github.com/nedlir/e4f52f88a757f02c67… | exploit |
| https://www.vulncheck.com/advisories/docker-socke… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Tecnativa | docker-socket-proxy |
Affected:
0 , ≤ 0.5.0
(semver)
|
guessed |
Date Public
2026-08-15 00:00
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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.
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.
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