CVE-2026-93315: moby buildkit
CVSS: 5.8v4.0MediumAwaiting analysis
AliasesUBUNTU-CVE-2026-93315
Published 05-10-2026Last modified 06-10-2026
Vulnerability summary
CVE-2026-93315 is a medium (CVSS 5.8) vulnerability in moby buildkit. EPSS estimates a 0.10% chance of exploitation in the next 30 days, higher than 0.6% of scored vulnerabilities.
CVSS score
5.8/10
010
Medium · v4.0 (CVE.org)EPSS score
0.10%
0%100%
Low · Change unavailableKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 05-10-2026PublishedVulnerability first disclosed.
- 06-10-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 5.8Preferred score · CVE.org (CNA)
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:L/SA:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.8MediumCVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:L/SA:N
- NVDNIST5.8MediumCVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:L/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
EPSS trend
Probability
0.10%
Chance of exploitation in the next 30 days
Percentile
1%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
06-10-202620-10-2026
EPSS score0.10%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu2 products
- docker.ioAll versions (No fix recorded)
- docker.io-appAll versions (No fix recorded)
Moby1 product
- buildkit≥ 0.31.0, < 0.33.1
2 vendors · 3 products