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CVE-2026-123796— compose-lint: Incomplete fix for GHSA-jf3h-8jvx-vcrg: a run stopped at the finding limit quotes a secret from a CI-generated `.env`

Quick assessment

Affected
tmatens compose-lint
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

compose-lint 是一款用于 Docker Compose 的安全检查工具，能够在部署前识别危险配置。在 0.32.0 至 0.33.0 版本期间，compose-lint 针对 文件中的密钥泄露问题修复不完整：它在将解析后的值替换回变量引用之前，会先检查是否达到 20,000 条发现的上限。若某个拉取请求（Pull Request）将引用密钥的镜像字段与别名内容组合，从而生成超过 20,000 条发现，则触发提前终止逻辑，导致已评级的发现结果以明文形式输出解析后的密钥值，出现在文本、JSON、SARIF

CVSS 2.3 · Low

Affected Version Matrix 1

VendorProduct Version RangeStatus
tmatens compose-lint >= 0.32.0, < 0.33.0 affected
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I. Basic Information for CVE-2026-123796

Vulnerability Information
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Vulnerability Title
compose-lint: Incomplete fix for GHSA-jf3h-8jvx-vcrg: a run stopped at the finding limit quotes a secret from a CI-generated `.env`
Source: CVE Program / CVE List V5
Vulnerability Description
compose-lint is a Docker Compose security linter that identifies dangerous misconfigurations before deployment. From 0.32.0 until 0.33.0, compose-lint's incomplete remediation for .env secret disclosure checks the 20,000-finding limit before replacing resolved values with their variable references. A pull request can combine a secret-referencing image field with aliased content that produces more than 20,000 findings, causing the early-stop path to emit already graded findings with the resolved secret value in text, JSON, SARIF, and Code Scanning output. Exploitation requires a workflow that writes secrets into the sibling .env and lints untrusted changes, and the run exits 2 unless --allow-partial-coverage is used. This issue is fixed in version 0.33.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
tmatens compose-lint >= 0.32.0, < 0.33.0 -

II. Public POCs for CVE-2026-123796

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III. Intelligence Information for CVE-2026-123796

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Other References for CVE-2026-123796 (4)

Same Patch Batch · tmatens · 2026-11-09 · 7 CVEs total

CVE-2026-123369 5.3 MEDIUM compose-lint: Compose file text can issue GitHub Actions workflow commands through the com
CVE-2026-123370 5.1 MEDIUM compose-lint: `fix --apply` can delete a line the user did not select, including a securit
CVE-2026-123368 2.3 LOW compose-lint: .env read through a symlink outside the project can expose the CI job's envi
CVE-2026-123371 2.3 LOW compose-lint: A `.compose-lint.yml` symlinked outside the project is read, and a parse err
CVE-2026-123372 2.3 LOW compose-lint: A pull request can make compose-lint quote a secret from a CI-generated `.en
CVE-2026-123373 2.3 LOW compose-lint: A committed symlink makes compose-lint quote a file from outside the project

IV. Related Vulnerabilities

Same product: compose-lint
Same vendor: tmatens
Same weakness: CWE-200