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112 vulnerabilities by moby
CVE-2026-61801 (GCVE-0-2026-61801)
Vulnerability from nvd – Published: 2026-10-08 16:22 – Updated: 2026-10-08 17:27
VLAI
EPSS
VEX
Title
github.com/moby/sys/user has a possible DoS via unbounded parsing of user and group database files
Summary
The `github.com/moby/sys/user` package provides Go utilities for parsing and looking up entries in Unix-style user and group database files. Versions before 0.4.1 do not sufficiently limit entries when parsing `/etc/passwd`- or `/etc/group`-style files, allowing an attacker who can supply a specially crafted file to cause excessive memory consumption and potentially terminate the affected process due to an out-of-memory condition. This issue is patched in version 0.4.1. As a workaround, avoid parsing attacker-controlled user or group database files, or validate and limit untrusted input before parsing it.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-08 17:27 UTC
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/moby/sys/security/advisories/G… | x_refsource_CONFIRM |
| https://github.com/moby/sys/pull/221 | x_refsource_MISC |
| https://github.com/moby/sys/commit/85a71bbe1faa36… | x_refsource_MISC |
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CVE-2026-92543 (GCVE-0-2026-92543)
Vulnerability from nvd – Published: 2026-10-07 16:44 – Updated: 2026-10-07 20:31
VLAI
EPSS
VEX
Title
Docker Engine insecure-registry fallback via malicious DNS responses
Summary
Docker Engine classifies a registry hostname as insecure using an any-match DNS check. loadInsecureRegistries() injects 127.0.0.0/8 and ::1/128 as insecure CIDRs by default. isCIDRMatch resolves all of the hostname's addresses and returns true if a single address is in the insecure CIDR list. Because the transport re-dials the hostname rather than the CIDR-matching address, a DNS answer set of one loopback IP plus a non-loopback attacker IP disables certificate verification and enables HTTP fallback for the registry connection.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 20:31 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/moby/moby/security/advisories/… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Docker | Docker Engine |
Affected:
0 , < 29.8.2
(semver)
|
|
| Moby | Moby |
Affected:
0 , < v2.0.0-beta.25
(semver)
|
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CVE-2026-92542 (GCVE-0-2026-92542)
Vulnerability from nvd – Published: 2026-10-07 16:42 – Updated: 2026-10-07 20:30
VLAI
EPSS
VEX
Title
Blind VXLAN injection into encrypted overlay networks from cluster peer
Summary
The firewall rules which mark VXLAN datagrams for encryption indiscriminately match both authentic VXLAN datagrams sent from the kernel and forged datagrams sent by user processes. Any packet sent from the host network namespace of a Linux Swarm node is encrypted with the overlay-network IPsec parameters which meets the following criteria:
- UDP datagram
- Destination port is the Swarm data-path port
- Datagram starts with a VXLAN header for the VNI of an encrypted overlay network which any running container on the node is connected to
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 20:30 UTC
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/moby/moby/security/advisories/… | vendor-advisory |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Docker | Docker Engine |
Affected:
0 , < 25.0.19
(semver)
Affected: 26.0.0 , < 29.8.2 (semver) |
|
| Docker | Docker Engine overlay network driver |
Affected:
0 , < v25.0.19
(semver)
Affected: v26.0.0 , < * (semver) |
|
| Moby | Moby overlay network driver |
Affected:
v2.0.0-beta.0 , < v2.0.0-beta.25
(semver)
|
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CVE-2026-93321 (GCVE-0-2026-93321)
Vulnerability from nvd – Published: 2026-10-05 22:00 – Updated: 2026-10-06 13:25
VLAI
EPSS
VEX
Title
Malformed LLB file operation can crash buildkitd
Summary
A malicious frontend can submit an LLB definition that causes buildkitd
to panic and terminate, interrupting all builds running on that daemon.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 13:25 UTC
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
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CVE-2026-93315 (GCVE-0-2026-93315)
Vulnerability from nvd – Published: 2026-10-05 21:57 – Updated: 2026-10-06 13:27
VLAI
EPSS
VEX
Title
BuildKit proxy CA cleanup can be disrupted by build steps
Summary
When proxy networking with CA injection is enabled, a build can modify its CA bundle before cleanup. This may cause cleanup to block, operate outside the build rootfs, or fail without failing the build.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 13:26 UTC
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
Impacted products
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CVE-2026-93326 (GCVE-0-2026-93326)
Vulnerability from nvd – Published: 2026-10-05 20:13 – Updated: 2026-10-06 13:48
VLAI
EPSS
VEX
Title
Crafted Git build source can bypass certain policy validation
Summary
A build step for a Git source, crafted in a specific way, can bypass some policy validation rules. A malicious build definition can make the repository look like it is coming from a different remote URL than it really is when Git clone is happening. If policy is doing more stricter validation, for example based on commit SHA, commit data, or signatures, then all these validations still apply correctly.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 13:48 UTC
CWE
- CWE-180 - Incorrect Behavior Order: Validate Before Canonicalize
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
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CVE-2026-93323 (GCVE-0-2026-93323)
Vulnerability from nvd – Published: 2026-10-05 17:57 – Updated: 2026-10-05 18:47
VLAI
EPSS
VEX
Title
Oversized Dockerfile or .dockerignore can exhaust buildkitd memory
Summary
The Dockerfile frontend loaded the Dockerfile and .dockerignore files of a build context into memory without a size limit. A build context containing an oversized file could make buildkitd allocate memory proportional to that file, potentially exhausting memory and terminating the daemon, which interrupts other builds on the same instance. Fixed by rejecting such files above 16 MiB.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 18:47 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
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CVE-2026-93322 (GCVE-0-2026-93322)
Vulnerability from nvd – Published: 2026-10-05 17:53 – Updated: 2026-10-05 18:51
VLAI
EPSS
VEX
Title
Malformed MergeOp can crash the BuildKit daemon
Summary
A malicious frontend can submit an LLB definition that causes buildkitd
to panic and terminate, interrupting all builds running on that daemon.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 18:48 UTC
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
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CVE-2026-93320 (GCVE-0-2026-93320)
Vulnerability from nvd – Published: 2026-10-05 17:50 – Updated: 2026-10-05 18:52
VLAI
EPSS
VEX
Title
BuildKit improperly handles special files in build snapshots
Summary
BuildKit may be tricked into performing file actions with special file inodes where regular files are expected. Special files may block operations or, on rootful workers, allow unintended host device access.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 18:52 UTC
CWE
- CWE-441 - Unintended Proxy or Intermediary ('Confused Deputy')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
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CVE-2026-93319 (GCVE-0-2026-93319)
Vulnerability from nvd – Published: 2026-10-05 17:47 – Updated: 2026-10-05 19:07
VLAI
EPSS
VEX
Title
A malicious frontend can cause a daemon panic
Summary
A malicious external BuildKit frontend can send requests using the internal API that can create conditions for a data race that can cause the BuildKit daemon to panic.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 19:07 UTC
CWE
- CWE-567 - Unsynchronized Access to Shared Data in a Multi-threaded Context
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
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CVE-2026-93318 (GCVE-0-2026-93318)
Vulnerability from nvd – Published: 2026-10-05 17:45 – Updated: 2026-10-05 19:06
VLAI
EPSS
VEX
Title
Cache poisoning via unvalidated image layer DiffIDs
Summary
A malicious image can advertise DiffIDs from another image while containing different layer contents. In affected versions, BuildKit could use the advertised DiffIDs to derive cache and snapshot identity without validating that they matched the actual layer contents.
If a BuildKit daemon with shared or persistent cache first processes such a malicious image, a later build using the victim image may mount the attacker-controlled layer contents as the base image. This can allow code from the malicious image to run in the victim build, for example by replacing a commonly executed path such as /bin/sh. The attacker-controlled code may read build secrets mounted into the build, access other build resources, alter output artifacts, or hang the build.
The issue affects both regular snapshotters and lazy-pulling snapshotters such as stargz.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 19:06 UTC
CWE
- CWE-354 - Improper Validation of Integrity Check Value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
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CVE-2026-93317 (GCVE-0-2026-93317)
Vulnerability from nvd – Published: 2026-10-05 17:43 – Updated: 2026-10-05 19:06
VLAI
EPSS
VEX
Title
Container blob cache can accept unverified content
Summary
An unauthenticated attacker controlling a registry or OCI-layout blob source could provide blob contents that did not match the claimed digest. The resulting snapshot could be cached under that digest and reused by a later victim build, compromising build-input integrity.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 19:05 UTC
CWE
- CWE-354 - Improper Validation of Integrity Check Value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
Impacted products
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CVE-2026-93316 (GCVE-0-2026-93316)
Vulnerability from nvd – Published: 2026-10-05 17:42 – Updated: 2026-10-05 19:05
VLAI
EPSS
VEX
Title
Starting daemon with --cdi-disabled flag can lead to panic on specific builds
Summary
If BuildKit daemon is started with --cdi-disabled it can lead to daemon panic when builds try to use CDI devices. This can happen maliciously or by accident.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 19:05 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
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CVE-2026-75593 (GCVE-0-2026-75593)
Vulnerability from nvd – Published: 2026-08-19 20:06 – Updated: 2026-08-25 14:02
VLAI
EPSS
VEX
Title
BuildKit: Malicious client can bypass destination directory validation on local sources upload
Summary
BuildKit is a toolkit for converting source code to build artifacts in an efficient, expressive and repeatable manner. Prior to 0.31.2, a custom client can produce such an upload request to the BuildKit daemon that files can escape from the BuildKit-controlled state directory. The client needs to have valid permissions to access BuildKit control API to issue builds, eg., bypass authentication, etc. This issue is fixed in version 0.31.2.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 14:02 UTC
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | x_refsource_CONFIRM |
| https://github.com/moby/buildkit/releases/tag/v0.31.2 | x_refsource_MISC |
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CVE-2026-61712 (GCVE-0-2026-61712)
Vulnerability from nvd – Published: 2026-08-19 20:01 – Updated: 2026-08-21 19:04
VLAI
EPSS
VEX
Title
BuildKit: Possible runtime DoS via unbounded group parsing
Summary
BuildKit is a toolkit for converting source code to build artifacts in an efficient, expressive and repeatable manner. Prior to 0.31.1, BuildKit read attacker-controlled /etc/passwd and /etc/group files without an upper bound while resolving a username to a user identifier or group identifier in executor/oci/user.go and solver/llbsolver/ops/user_linux.go. A malicious base image or build could provide oversized files that exhausted memory during user resolution and caused out-of-memory termination of the buildkitd process. This issue is fixed in version 0.31.1.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-21 19:04 UTC
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | x_refsource_CONFIRM |
| https://github.com/moby/buildkit/commit/408266e4b… | x_refsource_MISC |
| https://github.com/moby/buildkit/commit/69a392464… | x_refsource_MISC |
| https://github.com/moby/buildkit/releases/tag/v0.31.1 | x_refsource_MISC |
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CVE-2026-61711 (GCVE-0-2026-61711)
Vulnerability from nvd – Published: 2026-08-19 20:03 – Updated: 2026-08-20 13:19
VLAI
EPSS
VEX
Title
BuildKit: Custom frontend could bypass Seccomp/AppArmor
Summary
BuildKit is a toolkit for converting source code to build artifacts in an efficient, expressive and repeatable manner. Prior to 0.31.1, a custom frontend could place an invalid SecurityMode value in a crafted build request, and executor/oci/spec_linux.go treated the unsupported value as a non-sandbox mode without requiring the security.insecure entitlement. This disabled Seccomp and AppArmor protections for the build container even though Linux capabilities remained restricted. This issue is fixed in version 0.31.1.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 13:17 UTC
CWE
- CWE-20 - Improper Input Validation
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | x_refsource_CONFIRM |
| https://github.com/moby/buildkit/commit/3ea6dd0ce… | x_refsource_MISC |
| https://github.com/moby/buildkit/commit/64bbec89c… | x_refsource_MISC |
| https://github.com/moby/buildkit/releases/tag/v0.31.1 | x_refsource_MISC |
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CVE-2026-61801 (GCVE-0-2026-61801)
Vulnerability from cvelistv5 – Published: 2026-10-08 16:22 – Updated: 2026-10-08 17:27
VLAI
EPSS
VEX
Title
github.com/moby/sys/user has a possible DoS via unbounded parsing of user and group database files
Summary
The `github.com/moby/sys/user` package provides Go utilities for parsing and looking up entries in Unix-style user and group database files. Versions before 0.4.1 do not sufficiently limit entries when parsing `/etc/passwd`- or `/etc/group`-style files, allowing an attacker who can supply a specially crafted file to cause excessive memory consumption and potentially terminate the affected process due to an out-of-memory condition. This issue is patched in version 0.4.1. As a workaround, avoid parsing attacker-controlled user or group database files, or validate and limit untrusted input before parsing it.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-08 17:27 UTC
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/moby/sys/security/advisories/G… | x_refsource_CONFIRM |
| https://github.com/moby/sys/pull/221 | x_refsource_MISC |
| https://github.com/moby/sys/commit/85a71bbe1faa36… | x_refsource_MISC |
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CVE-2026-92543 (GCVE-0-2026-92543)
Vulnerability from cvelistv5 – Published: 2026-10-07 16:44 – Updated: 2026-10-07 20:31
VLAI
EPSS
VEX
Title
Docker Engine insecure-registry fallback via malicious DNS responses
Summary
Docker Engine classifies a registry hostname as insecure using an any-match DNS check. loadInsecureRegistries() injects 127.0.0.0/8 and ::1/128 as insecure CIDRs by default. isCIDRMatch resolves all of the hostname's addresses and returns true if a single address is in the insecure CIDR list. Because the transport re-dials the hostname rather than the CIDR-matching address, a DNS answer set of one loopback IP plus a non-loopback attacker IP disables certificate verification and enables HTTP fallback for the registry connection.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 20:31 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/moby/moby/security/advisories/… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Docker | Docker Engine |
Affected:
0 , < 29.8.2
(semver)
|
|
| Moby | Moby |
Affected:
0 , < v2.0.0-beta.25
(semver)
|
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CVE-2026-92542 (GCVE-0-2026-92542)
Vulnerability from cvelistv5 – Published: 2026-10-07 16:42 – Updated: 2026-10-07 20:30
VLAI
EPSS
VEX
Title
Blind VXLAN injection into encrypted overlay networks from cluster peer
Summary
The firewall rules which mark VXLAN datagrams for encryption indiscriminately match both authentic VXLAN datagrams sent from the kernel and forged datagrams sent by user processes. Any packet sent from the host network namespace of a Linux Swarm node is encrypted with the overlay-network IPsec parameters which meets the following criteria:
- UDP datagram
- Destination port is the Swarm data-path port
- Datagram starts with a VXLAN header for the VNI of an encrypted overlay network which any running container on the node is connected to
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 20:30 UTC
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/moby/moby/security/advisories/… | vendor-advisory |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Docker | Docker Engine |
Affected:
0 , < 25.0.19
(semver)
Affected: 26.0.0 , < 29.8.2 (semver) |
|
| Docker | Docker Engine overlay network driver |
Affected:
0 , < v25.0.19
(semver)
Affected: v26.0.0 , < * (semver) |
|
| Moby | Moby overlay network driver |
Affected:
v2.0.0-beta.0 , < v2.0.0-beta.25
(semver)
|
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CVE-2026-93321 (GCVE-0-2026-93321)
Vulnerability from cvelistv5 – Published: 2026-10-05 22:00 – Updated: 2026-10-06 13:25
VLAI
EPSS
VEX
Title
Malformed LLB file operation can crash buildkitd
Summary
A malicious frontend can submit an LLB definition that causes buildkitd
to panic and terminate, interrupting all builds running on that daemon.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 13:25 UTC
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
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CVE-2026-93315 (GCVE-0-2026-93315)
Vulnerability from cvelistv5 – Published: 2026-10-05 21:57 – Updated: 2026-10-06 13:27
VLAI
EPSS
VEX
Title
BuildKit proxy CA cleanup can be disrupted by build steps
Summary
When proxy networking with CA injection is enabled, a build can modify its CA bundle before cleanup. This may cause cleanup to block, operate outside the build rootfs, or fail without failing the build.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 13:26 UTC
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
Impacted products
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CVE-2026-93326 (GCVE-0-2026-93326)
Vulnerability from cvelistv5 – Published: 2026-10-05 20:13 – Updated: 2026-10-06 13:48
VLAI
EPSS
VEX
Title
Crafted Git build source can bypass certain policy validation
Summary
A build step for a Git source, crafted in a specific way, can bypass some policy validation rules. A malicious build definition can make the repository look like it is coming from a different remote URL than it really is when Git clone is happening. If policy is doing more stricter validation, for example based on commit SHA, commit data, or signatures, then all these validations still apply correctly.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 13:48 UTC
CWE
- CWE-180 - Incorrect Behavior Order: Validate Before Canonicalize
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
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CVE-2026-93323 (GCVE-0-2026-93323)
Vulnerability from cvelistv5 – Published: 2026-10-05 17:57 – Updated: 2026-10-05 18:47
VLAI
EPSS
VEX
Title
Oversized Dockerfile or .dockerignore can exhaust buildkitd memory
Summary
The Dockerfile frontend loaded the Dockerfile and .dockerignore files of a build context into memory without a size limit. A build context containing an oversized file could make buildkitd allocate memory proportional to that file, potentially exhausting memory and terminating the daemon, which interrupts other builds on the same instance. Fixed by rejecting such files above 16 MiB.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 18:47 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
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CVE-2026-93322 (GCVE-0-2026-93322)
Vulnerability from cvelistv5 – Published: 2026-10-05 17:53 – Updated: 2026-10-05 18:51
VLAI
EPSS
VEX
Title
Malformed MergeOp can crash the BuildKit daemon
Summary
A malicious frontend can submit an LLB definition that causes buildkitd
to panic and terminate, interrupting all builds running on that daemon.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 18:48 UTC
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
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CVE-2026-93320 (GCVE-0-2026-93320)
Vulnerability from cvelistv5 – Published: 2026-10-05 17:50 – Updated: 2026-10-05 18:52
VLAI
EPSS
VEX
Title
BuildKit improperly handles special files in build snapshots
Summary
BuildKit may be tricked into performing file actions with special file inodes where regular files are expected. Special files may block operations or, on rootful workers, allow unintended host device access.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 18:52 UTC
CWE
- CWE-441 - Unintended Proxy or Intermediary ('Confused Deputy')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
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CVE-2026-93319 (GCVE-0-2026-93319)
Vulnerability from cvelistv5 – Published: 2026-10-05 17:47 – Updated: 2026-10-05 19:07
VLAI
EPSS
VEX
Title
A malicious frontend can cause a daemon panic
Summary
A malicious external BuildKit frontend can send requests using the internal API that can create conditions for a data race that can cause the BuildKit daemon to panic.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 19:07 UTC
CWE
- CWE-567 - Unsynchronized Access to Shared Data in a Multi-threaded Context
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
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CVE-2026-93318 (GCVE-0-2026-93318)
Vulnerability from cvelistv5 – Published: 2026-10-05 17:45 – Updated: 2026-10-05 19:06
VLAI
EPSS
VEX
Title
Cache poisoning via unvalidated image layer DiffIDs
Summary
A malicious image can advertise DiffIDs from another image while containing different layer contents. In affected versions, BuildKit could use the advertised DiffIDs to derive cache and snapshot identity without validating that they matched the actual layer contents.
If a BuildKit daemon with shared or persistent cache first processes such a malicious image, a later build using the victim image may mount the attacker-controlled layer contents as the base image. This can allow code from the malicious image to run in the victim build, for example by replacing a commonly executed path such as /bin/sh. The attacker-controlled code may read build secrets mounted into the build, access other build resources, alter output artifacts, or hang the build.
The issue affects both regular snapshotters and lazy-pulling snapshotters such as stargz.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 19:06 UTC
CWE
- CWE-354 - Improper Validation of Integrity Check Value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
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CVE-2026-93317 (GCVE-0-2026-93317)
Vulnerability from cvelistv5 – Published: 2026-10-05 17:43 – Updated: 2026-10-05 19:06
VLAI
EPSS
VEX
Title
Container blob cache can accept unverified content
Summary
An unauthenticated attacker controlling a registry or OCI-layout blob source could provide blob contents that did not match the claimed digest. The resulting snapshot could be cached under that digest and reused by a later victim build, compromising build-input integrity.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 19:05 UTC
CWE
- CWE-354 - Improper Validation of Integrity Check Value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
Impacted products
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CVE-2026-93316 (GCVE-0-2026-93316)
Vulnerability from cvelistv5 – Published: 2026-10-05 17:42 – Updated: 2026-10-05 19:05
VLAI
EPSS
VEX
Title
Starting daemon with --cdi-disabled flag can lead to panic on specific builds
Summary
If BuildKit daemon is started with --cdi-disabled it can lead to daemon panic when builds try to use CDI devices. This can happen maliciously or by accident.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 19:05 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
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CVE-2026-75593 (GCVE-0-2026-75593)
Vulnerability from cvelistv5 – Published: 2026-08-19 20:06 – Updated: 2026-08-25 14:02
VLAI
EPSS
VEX
Title
BuildKit: Malicious client can bypass destination directory validation on local sources upload
Summary
BuildKit is a toolkit for converting source code to build artifacts in an efficient, expressive and repeatable manner. Prior to 0.31.2, a custom client can produce such an upload request to the BuildKit daemon that files can escape from the BuildKit-controlled state directory. The client needs to have valid permissions to access BuildKit control API to issue builds, eg., bypass authentication, etc. This issue is fixed in version 0.31.2.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 14:02 UTC
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | x_refsource_CONFIRM |
| https://github.com/moby/buildkit/releases/tag/v0.31.2 | x_refsource_MISC |
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