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9 vulnerabilities found for Docker Sandboxes by Docker
CVE-2026-105452 (GCVE-0-2026-105452)
Vulnerability from cvelistv5
Published
2026-10-08 18:49
Modified
2026-10-08 19:29
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Docker Sandboxes could forward a client-supplied credential alongside a credential injected by the host egress proxy. The proxy removed alternate credentials only when their values matched known sentinel values, so untrusted code in an authorized sandbox could supply an unrecognized credential in another supported authentication header. For affected upstream services, this could authenticate the request to an attacker-controlled account and expose data included in the request.
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Docker | Docker Sandboxes |
Version: 0.21.0 ≤ cpe:2.3:a:docker:docker_sandboxes:*:*:*:*:*:*:*:* |
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"title": "CISA ADP Vulnrichment"
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"credits": [
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"type": "finder",
"value": "Hillel Twersky"
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"source": {
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"title": "Docker Sandboxes egress proxy could forward unrecognized client credentials to managed hosts"
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CVE-2026-101998 (GCVE-0-2026-101998)
Vulnerability from cvelistv5
Published
2026-10-08 18:47
Modified
2026-10-08 19:27
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-636 - Not Failing Securely ('Failing Open')
Summary
Docker Sandboxes could fail open while masking credentials in protected proxy responses. When a response-body read returned data together with an error, affected handlers could forward unmasked bytes. Code inside an authorized sandbox could use this to recover host-managed OAuth access and refresh tokens or a derived Anthropic API key intended to remain outside the sandbox.
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Docker | Docker Sandboxes |
Version: 0.21.0 ≤ cpe:2.3:a:docker:docker_sandboxes:*:*:*:*:*:*:*:* |
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"timestamp": "2026-10-08T19:27:40.966581Z",
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"versionType": "semver"
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"value": "Irad Aharoni"
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}
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}
],
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"attackVector": "ADJACENT",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
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"solutions": [
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"value": "Upgrade to Docker Sandboxes 0.47.0 or later."
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Fail-open response masking in Docker Sandboxes can expose proxy-managed credentials"
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},
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CVE-2026-105570 (GCVE-0-2026-105570)
Vulnerability from cvelistv5
Published
2026-10-08 18:46
Modified
2026-10-08 19:28
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-178 - Improper Handling of Case Sensitivity
Summary
Docker Sandboxes compared OAuth token-endpoint hostnames case-sensitively when deciding whether to mask managed credential responses, while request routing treated DNS hostnames case-insensitively. Untrusted code inside a sandbox could use a case-variant hostname to reach the genuine provider endpoint while bypassing response masking. If a user completed the OAuth flow, the provider's access and refresh tokens could be returned unmasked to the sandbox, exposing host-managed credentials.
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Docker | Docker Sandboxes |
Version: 0.21.0 ≤ cpe:2.3:a:docker:docker_sandboxes:*:*:*:*:*:*:*:* |
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}
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"role": "CISA Coordinator",
"timestamp": "2026-10-08T19:28:07.889305Z",
"version": "2.0.3"
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"title": "CISA ADP Vulnrichment"
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}
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}
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"Recovery": "NOT_DEFINED",
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"baseScore": 6.7,
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CVE-2026-79994 (GCVE-0-2026-79994)
Vulnerability from cvelistv5
Published
2026-09-15 20:33
Modified
2026-09-16 17:57
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Summary
The guest-to-host Unix-domain socket relay in Docker Sandboxes validates that a socket path is inside an authorized workspace, but later reconnects using the pathname. A malicious guest can replace an intermediate directory with a symlink between validation and connection, causing the host to connect to an arbitrary AF_UNIX socket outside the shared workspace. This can expose data or host-side capabilities provided by the targeted socket.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Docker | Docker Sandboxes |
Version: 0.37.0 ≤ cpe:2.3:a:docker:docker_sandboxes:*:*:*:*:*:*:*:* |
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"timestamp": "2026-09-16T17:56:16.161335Z",
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"title": "CISA ADP Vulnrichment"
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"vendor": "Docker",
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"lessThan": "0.42.0",
"status": "affected",
"version": "0.37.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Jurre van Bergen of ThreatNotify"
}
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"base64": false,
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}
],
"impacts": [
{
"capecId": "CAPEC-132",
"descriptions": [
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"lang": "en",
"value": "CAPEC-132 Symlink Attack"
}
]
}
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"Recovery": "NOT_DEFINED",
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"attackRequirements": "PRESENT",
"attackVector": "LOCAL",
"baseScore": 8.7,
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"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "HIGH",
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"type": "CWE"
}
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"providerMetadata": {
"dateUpdated": "2026-09-15T21:38:20.957Z",
"orgId": "686469e6-3ff6-451b-ab8b-cf5b9e89401e",
"shortName": "Docker"
},
"references": [
{
"tags": [
"product"
],
"url": "https://docs.docker.com/ai/sandboxes/"
},
{
"tags": [
"product"
],
"url": "https://docs.docker.com/ai/sandboxes/security/isolation/"
},
{
"tags": [
"patch"
],
"url": "https://github.com/docker/sailor/pull/2021"
},
{
"tags": [
"patch"
],
"url": "https://github.com/docker/sandboxes/pull/5342"
},
{
"tags": [
"release-notes"
],
"url": "https://github.com/docker/sbx-releases/releases/tag/v0.42.0"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Docker Sandboxes UDS forwarder can reach arbitrary host Unix sockets through a symlink race",
"workarounds": [
{
"lang": "en",
"value": "Use --clone mode and avoid additional read-write host mounts: https://docs.docker.com/ai/sandboxes/usage/#clone-mode"
}
]
}
},
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"assignerShortName": "Docker",
"cveId": "CVE-2026-79994",
"datePublished": "2026-09-15T20:33:21.074Z",
"dateReserved": "2026-08-25T16:47:15.411Z",
"dateUpdated": "2026-09-16T17:57:02.176Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-77179 (GCVE-0-2026-77179)
Vulnerability from cvelistv5
Published
2026-09-15 13:32
Modified
2026-09-15 21:43
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Summary
On macOS, the virtio-fs host server used by Docker Sandboxes improperly follows symlinks when reopening an unlinked file from a stored path. A malicious guest can replace a parent directory with a symlink, escape the shared workspace, and read or modify arbitrary host files as the VMM user, potentially achieving host code execution.
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Docker | Docker Sandboxes |
Version: 0.28.0 ≤ cpe:2.3:a:docker:docker_sandboxes:*:*:*:*:*:*:*:* |
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CVE-2026-17106 (GCVE-0-2026-17106)
Vulnerability from cvelistv5
Published
2026-08-18 18:35
Modified
2026-08-19 03:56
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Summary
The tar extraction routines in moby/go-archive (Unpack, UnpackLayer, Untar/UntarUncompressed, and the ApplyLayer helpers) do not confine filesystem operations to the destination directory. The extractor decides where each archive entry lands using lexical string checks and then performs the filesystem operation on a path that is resolved by the OS, so links introduced by the archive can be followed out of the destination directory. An attacker who controls the contents of an archive can create or overwrite files at arbitrary paths writable by the extracting process.
References
| URL | Tags | |
|---|---|---|
|
|
||
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| moby | go-archive |
Version: 0 ≤ |
|||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||
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CVE-2026-18171 (GCVE-0-2026-18171)
Vulnerability from cvelistv5
Published
2026-08-12 14:47
Modified
2026-08-12 17:02
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-863 - Incorrect Authorization
Summary
Docker Sandboxes (sbx) applies the read-only intent of a runtime host mount to the in-guest container bind only: the underlying virtio-fs host-edge grant is added to the sandbox's policy-share allowlist with no access mode. The directory stays writable at its shared-export path, so unprivileged code inside the sandbox can derive that path and write to a host directory the operator attached read-only.
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Docker | Docker Sandboxes |
Version: 0.35.0 ≤ 0.38.0 cpe:2.3:a:docker:docker_sandboxes:*:*:*:*:*:*:*:* |
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CVE-2026-12539 (GCVE-0-2026-12539)
Vulnerability from cvelistv5
Published
2026-06-18 13:51
Modified
2026-08-13 13:33
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
Docker Sandboxes (sbx) blocks ICMP egress with an authorizer applied only at network-creation time, and does not re-apply it to networks rebuilt from disk when the Docker daemon restarts, so a restart-surviving sandbox forwards ICMP to arbitrary hosts. A workload inside a sandbox, which the threat model treats as untrusted, can therefore defeat the documented ICMP egress block to perform network reconnaissance and exfiltrate data over an ICMP covert channel, regardless of the configured allowlist.
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Docker | Docker Sandboxes |
Version: 0.14.0 ≤ cpe:2.3:a:docker:docker_sandboxes:*:*:*:*:*:*:*:* |
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CVE-2026-12039 (GCVE-0-2026-12039)
Vulnerability from cvelistv5
Published
2026-06-18 13:48
Modified
2026-08-13 13:33
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-923 - Improper Restriction of Communication Channel to Intended Endpoints
Summary
Docker Sandboxes (sbx) enforces an HTTP/S-only egress allowlist but does not apply it to DNS resolution: the per-network embedded DNS server forwards any queried name to the host resolver whenever the network is internet-connected, without consulting the policy. A workload inside a sandbox, which the threat model treats as untrusted, can therefore encode data into DNS labels for an attacker-controlled domain and exfiltrate it through a DNS covert channel, bypassing the configured allowlist.
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Docker | Docker Sandboxes |
Version: 0.13.0 ≤ cpe:2.3:a:docker:docker_sandboxes:*:*:*:*:*:*:*:* |
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