5.9

CVE-2026-93317: moby buildkit

CVSS: 5.9v4.0MediumAwaiting analysis
AliasesUBUNTU-CVE-2026-93317
Published 05-10-2026Last modified 05-10-2026
Open JSON

Vulnerability summary

CVE-2026-93317 is a medium (CVSS 5.9) vulnerability in moby buildkit. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.9% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.16%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-10-2026
    PublishedVulnerability first disclosed.
  2. 05-10-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

06-10-202620-10-2026
EPSS score
0.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu2 products
  • docker.ioAll versions (No fix recorded)
  • docker.io-appAll versions (No fix recorded)
Moby1 product

2 vendors · 3 products

References

4 links