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TI-2023-11287 Aliases CVE-2023-26054GHSA-gc89-7gcr-jxqc

Credentials inlined to Git URLs could end up in provenance attestation in BuildKit

Priority LOW 31CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-200.

Summary

BuildKit is a toolkit for converting source code to build artifacts in an efficient, expressive and repeatable manner. In affected versions when the user sends a build request that contains a Git URL that contains credentials and the build creates a provenance attestation describing that build, these credentials could be visible from the provenance attestation. Git URL can be passed in two ways: 1) Invoking build directly from a URL with credentials. 2) If the client sends additional version control system (VCS) info hint parameters on builds from a local source. Usually, that would mean reading the origin URL from `.git/config` file. When a build is performed under specific conditions where credentials were passed to BuildKit they may be visible to everyone who has access to provenance attestation. Provenance attestations and VCS info hints were added in version v0.11.0. Previous versions are not vulnerable. In v0.10, when building directly from Git URL, the same URL could be visible in `BuildInfo` structure that is a predecessor of Provenance attestations. Previous versions are not vulnerable. This bug has been fixed in v0.11.4. Users are advised to upgrade. Users unable to upgrade may disable VCS info hints by setting `BUILDX_GIT_INFO=0`. `buildctl` does not set VCS hints based on `.git` directory, and values would need to be passed manually with `--opt`.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01026 63rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed buildkit (moby): 0.11.4github.com/moby/buildkit (Go): 0.11.4Red Hat: 2 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
mobybuildkit0.10.0 to before 0.11.40.11.4Patch availableCNA
—github.com/moby/buildkit (Go)0.10.0 to before 0.11.40.11.4Patch availableGHSA-gc89-7gcr-jxqc
  • buildkit Vendormoby Affected 0.10.0 to before 0.11.4 Fixed in 0.11.4 Patch available CNA
  • github.com/moby/buildkit (Go) Vendor— Affected 0.10.0 to before 0.11.4 Fixed in 0.11.4 Patch available GHSA-gc89-7gcr-jxqc

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mobyproject:buildkit:*:*:*:*:*:*:*:*0.10.0 to before 0.11.4VulnerableMobyproject
  • cpe:2.3:a:mobyproject:buildkit:*:*:*:*:*:*:*:* Versions 0.10.0 to before 0.11.4 Vulnerable ·Mobyproject

Remediation

  • Fix · CNA buildkit (moby) Fixed in 0.11.4
  • Fix · GHSA-gc89-7gcr-jxqc github.com/moby/buildkit (Go) Fixed in 0.11.4 Advisory →

Red Hat 2 advisories

  • RHSA-2023:5952 Released 2023-10-19 · Red Hat rating Important
    Red Hat OpenShift Service Mesh for 2.4.4 security update
    • RHOSSM 2.4 for RHEL 8 openshift-service-mesh/grafana-rhel8, openshift-service-mesh/istio-cni-rhel8, openshift-service-mesh/istio-must-gather-rhel8 +6
  • RHSA-2023:3537 Released 2023-06-13 · Red Hat rating Moderate
    OpenShift Container Platform 4.13.3 bug fix and security update
    • Red Hat OpenShift Container Platform 4.13 openshift4/ose-aws-pod-identity-webhook-rhel8, openshift4/ose-azure-cloud-node-manager-rhel8, openshift4/ose-cloud-credential-operator +7

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
RHOSSM 2.4 for RHEL 8Fixed RHSA-2023:5952
Red Hat OpenShift Container Platform 4.13Fixed RHSA-2023:3537
Not affected: 4 products
  • OpenShift Serverless
  • Red Hat OpenShift Container Platform 4
  • Red Hat OpenShift Container Platform 4.13
  • Red Hat Quay 3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-26054
  2. 2026-10-03 Alias added: GHSA-gc89-7gcr-jxqc

References

Exploit 1

Patch 1

Advisory 1

Other 8

  • TI-2026-14229 Tar extraction in moby/go-archive can write outside the destination directory via link following CVSS 4.0HIGH 7.1
  • TI-2021-12512 Moby HyperKit uninitialized memory use in virtio-sock pci_vtsock_proc_tx CVSS 3.1HIGH 7.1
  • TI-2024-27462 Moby authz zero length regression CVSS 3.1CRITICAL 10.0
  • TI-2024-15672 BuildKit interactive containers API does not validate entitlements check CVSS 3.1CRITICAL 9.8
  • TI-2024-15671 BuildKit possible host system access from mount stub cleaner CVSS 3.1CRITICAL 10.0
  • TI-2026-26365 Moby: AuthZ plugin bypass with oversized request body CVSS 3.1HIGH 8.8
See all 57 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences