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CVE-2026-93326

Crafted Git build source can bypass certain policy validation

6.0 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
High
Availability
None

Exploit likelihood

0.25%Unchanged since Oct 6, 2026
90%50%10%1%

What each source reports

CVE List Score used 6.0

Crafted Git build source can bypass certain policy validation

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.

Record
CVE-2026-93326
CVSS 4.0
6.0 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
Weakness
CWE-180
Updated
2026-11-02
EUVDEUVD-2026-92787 6.0

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.

Record
EUVD-2026-92787
CVSS 4.0
6.0 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
Updated
2026-11-02
NVD 6.0

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.

Record
CVE-2026-93326
CVSS 4.0
6.0 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness
CWE-180
Updated
2026-11-02
OSV 6.0

Crafted Git build source can bypass certain policy validation

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.

Record
CVE-2026-93326
CVSS 4.0
6.0 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
Weakness
CWE-180
Updated
2026-11-02
OSVUBUNTU-CVE-2026-93326 6.0

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.

Record
UBUNTU-CVE-2026-93326
CVSS 4.0
6.0 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
Updated
2026-11-02
OSVAZL-106812 No score

CVE-2026-93326 affecting package moby-engine 25.0.18-1

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.

Record
AZL-106812
Updated
2026-11-05

Affected products

Affected packages

Affected packages
PackageAffectedFixed
moby-engine
Azure Linux:3
through 25.0.18-1 None known
docker
Alpaquita:25
28.2.1-r0 and later None known
docker
Alpaquita:stream
24.0.2-r0 up to 29.9.0-r0
29.9.0-r0
docker.io
Ubuntu:Pro:16.04:LTS
All versions, plus listed versions
1.6.2~dfsg1-1ubuntu41.10.2-0ubuntu31.10.2-0ubuntu41.10.3-0ubuntu11.10.3-0ubuntu4
Show 19 moreShow less
1.10.3-0ubuntu51.10.3-0ubuntu61.11.2-0ubuntu5~16.041.12.1-0ubuntu13~16.04.11.12.3-0ubuntu4~16.04.21.12.6-0ubuntu1~16.04.11.13.1-0ubuntu1~16.04.217.03.2-0ubuntu2~16.04.118.06.1-0ubuntu1~16.04.218.06.1-0ubuntu1.2~16.04.118.09.2-0ubuntu1~16.04.118.09.5-0ubuntu1~16.04.218.09.7-0ubuntu1~16.04.118.09.7-0ubuntu1~16.04.418.09.7-0ubuntu1~16.04.518.09.7-0ubuntu1~16.04.618.09.7-0ubuntu1~16.04.718.09.7-0ubuntu1~16.04.9+esm118.09.7-0ubuntu1~16.04.9+esm2
None known
docker.io
Ubuntu:Pro:18.04:LTS
All versions, plus listed versions
1.13.1-0ubuntu617.03.2-0ubuntu117.03.2-0ubuntu317.03.2-0ubuntu517.12.1-0ubuntu1
Show 22 moreShow less
18.06.1-0ubuntu1~18.04.118.06.1-0ubuntu1.2~18.04.118.09.2-0ubuntu1~18.04.118.09.5-0ubuntu1~18.04.218.09.7-0ubuntu1~18.04.118.09.7-0ubuntu1~18.04.318.09.7-0ubuntu1~18.04.419.03.6-0ubuntu1~18.04.119.03.6-0ubuntu1~18.04.219.03.6-0ubuntu1~18.04.320.10.2-0ubuntu1~18.04.220.10.2-0ubuntu1~18.04.320.10.7-0ubuntu1~18.04.120.10.7-0ubuntu1~18.04.220.10.7-0ubuntu5~18.04.220.10.7-0ubuntu5~18.04.320.10.12-0ubuntu2~18.04.120.10.21-0ubuntu1~18.04.220.10.21-0ubuntu1~18.04.320.10.21-0ubuntu1~18.04.3+esm120.10.21-0ubuntu1~18.04.3+esm220.10.21-0ubuntu1~18.04.3+esm3
None known
docker.io
Ubuntu:Pro:20.04:LTS
All versions, plus listed versions
19.03.2-0ubuntu119.03.6-0ubuntu119.03.8-0ubuntu119.03.8-0ubuntu1.20.0419.03.8-0ubuntu1.20.04.1
Show 15 moreShow less
19.03.8-0ubuntu1.20.04.220.10.2-0ubuntu1~20.04.220.10.2-0ubuntu1~20.04.320.10.7-0ubuntu1~20.04.120.10.7-0ubuntu1~20.04.220.10.7-0ubuntu5~20.04.120.10.7-0ubuntu5~20.04.220.10.12-0ubuntu2~20.04.120.10.21-0ubuntu1~20.04.120.10.21-0ubuntu1~20.04.220.10.21-0ubuntu1~20.04.420.10.21-0ubuntu1~20.04.520.10.21-0ubuntu1~20.04.620.10.21-0ubuntu1~20.04.6+esm120.10.21-0ubuntu1~20.04.6+esm2
None known
docker.io-app
Ubuntu:Pro:20.04:LTS
All versions, plus listed versions
20.10.25-0ubuntu1~20.04.120.10.25-0ubuntu1~20.04.224.0.5-0ubuntu1~20.04.124.0.7-0ubuntu2~20.04.126.1.3-0ubuntu1~20.04.126.1.3-0ubuntu1~20.04.1+esm126.1.3-0ubuntu1~20.04.1+esm2
None known
docker.io
Ubuntu:Pro:22.04:LTS
All versions, plus listed versions
20.10.7-0ubuntu520.10.7-0ubuntu720.10.12-0ubuntu120.10.12-0ubuntu220.10.12-0ubuntu3
Show 11 moreShow less
20.10.12-0ubuntu3+gke1.24.120.10.12-0ubuntu420.10.21-0ubuntu1~22.04.220.10.21-0ubuntu1~22.04.320.10.21-0ubuntu1~22.04.520.10.21-0ubuntu1~22.04.620.10.21-0ubuntu1~22.04.720.10.21-0ubuntu1~22.04.7+esm120.10.21-0ubuntu1~22.04.7+esm220.10.21-0ubuntu1~22.04.820.10.21-0ubuntu1~22.04.8+esm1
None known
docker.io-app
Ubuntu:Pro:22.04:LTS
All versions, plus listed versions
20.10.25-0ubuntu1~22.04.120.10.25-0ubuntu1~22.04.224.0.5-0ubuntu1~22.04.124.0.7-0ubuntu2~22.04.126.1.3-0ubuntu1~22.04.1
Show 6 moreShow less
26.1.3-0ubuntu1~22.04.1+esm127.5.1-0ubuntu3~22.04.127.5.1-0ubuntu3~22.04.228.2.2-0ubuntu1~22.04.129.1.3-0ubuntu3~22.04.129.1.3-0ubuntu3~22.04.2
None known
docker.io
Ubuntu:Pro:24.04:LTS
All versions, plus listed versions
20.10.24+dfsg1-1ubuntu220.10.25+dfsg1-2ubuntu120.10.25+dfsg1-2ubuntu1+esm120.10.25+dfsg1-2ubuntu1+esm220.10.25+dfsg1-2ubuntu1.24.04.120.10.25+dfsg1-2ubuntu1.24.04.1+esm1
None known
Show 5 moreShow less
Affected packages
PackageAffectedFixed
docker.io-app
Ubuntu:Pro:24.04:LTS
All versions, plus listed versions
24.0.5-0ubuntu124.0.7-0ubuntu124.0.7-0ubuntu224.0.7-0ubuntu324.0.7-0ubuntu4
Show 8 moreShow less
24.0.7-0ubuntu4.126.1.3-0ubuntu1~24.04.126.1.3-0ubuntu1~24.04.1+esm127.5.1-0ubuntu3~24.04.127.5.1-0ubuntu3~24.04.228.2.2-0ubuntu1~24.04.129.1.3-0ubuntu3~24.04.129.1.3-0ubuntu3~24.04.2
None known
docker.io
Ubuntu:26.10
All versions, plus listed versions
27.5.1+dfsg4-2ubuntu128.5.2+dfsg4-5ubuntu1
None known
docker.io-app
Ubuntu:26.10
All versions, plus listed versions
29.1.3-0ubuntu429.1.3-0ubuntu529.1.3-0ubuntu629.7.2-0ubuntu1
None known
docker.io
Ubuntu:26.04:LTS
All versions, plus listed versions
26.1.5+dfsg1-9ubuntu127.5.1+dfsg4-1ubuntu127.5.1+dfsg4-2ubuntu1
None known
docker.io-app
Ubuntu:26.04:LTS
All versions, plus listed versions
28.2.2-0ubuntu129.1.2-0ubuntu129.1.3-0ubuntu129.1.3-0ubuntu229.1.3-0ubuntu329.1.3-0ubuntu429.1.3-0ubuntu4.1
None known

History

History
RecordedChangedSources
factsOSV
first indexedCVE List, EUVD, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-93326 is a medium vulnerability (CVSS 6.0) in Moby Buildkit, published October 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. Fixed in docker 29.9.0-r0.

References

MoveEnter Open