GHSA-h3qr-39j9-4r5v · 深刻度: high · エコシステム: actions — Data written to GitHub Actions Cache may expose secrets
Gradle Build Action allows users to execute a Gradle Build in their GitHub Actions workflow. A vulnerability impacts GitHub workflows using the Gradle Build Action prior to version 2.4.2 that have executed the Gradle Build Tool with the configuration cache enabled, potentially exposing secrets configured for the repository. Secrets configured for GitHub Actions are normally passed to the Gradle Build Tool via environment variables. Due to the way that the Gradle Build Tool records these environment variables, they may be persisted into an entry in the GitHub Actions cache. This data stored in the GitHub Actions cache can be read by a GitHub Actions workflow running in an untrusted context, such as that running for a Pull Request submitted by a developer via a repository fork. This vulnerability was discovered internally through code review, and we have not seen any evidence of it being exploited in the wild. However, in addition to upgrading the Gradle Build Action, affected users should delete any potentially vulnerable cache entries and may choose to rotate any potentially affected secrets. Gradle Build Action v2.4.2 and newer no longer saves this sensitive data for later use, preventing ongoing leakage of secrets via the GitHub Actions Cache. While upgrading to the latest version of the Gradle Build Action will prevent leakage of secrets going forward, additional actions may be required due to current or previous GitHub Actions Cache entries containing this information. Current cache entries will remain vulnerable until they are forcibly deleted or they expire naturally after 7 days of not being used. Potentially vulnerable entries can be easily identified in the GitHub UI by searching for a cache entry with key matching `configuration-cache-*`. The maintainers recommend that users of the Gradle Build Action inspect their list of cache entries and manually delete any that match this pattern. While maintainers have not seen any evidence of this vulnerability being exploited, they recommend cycling any repository secrets if you cannot be certain that these have not been compromised. Compromise could occur if a user runs a GitHub Actions workflow for a pull request attempting to exploit this data. Warning signs to look for in a pull request include: - Making changes to GitHub Actions workflow files in a way that may attempt to read/extract data from the Gradle User Home or `<project-root>/.gradle` directories. - Making changes to Gradle build files or other executable files that may be invoked by a GitHub Actions workflow, in a way that may attempt to read/extract information from these locations. Some workarounds to limit the impact of this vulnerability are available: - If the Gradle project does not opt-in to using the configuration cache, then it is not vulnerable. - If the Gradle project does opt-in to using the configuration-cache by default, then the `--no-configuration-cache` command-line argument can be used to disable this feature in a GitHub Actions workflow. In any case, we recommend that users carefully inspect any pull request before approving the execution of GitHub Actions workflows. It may be prudent to require approval for all PRs from external contributors.
総合評価: CVE-2023-30853 は低リスク(37.4/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 0.29%、20 パーセンタイル) 推奨対応: 悪用情報と EPSS の推移を監視し、必要に応じて優先度を見直してください。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置(高いほど相対的に深刻)を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ(新 − 旧) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.24% | 0.29% | +0.05% |
| 2 | 2026-05-16 | 0.27% | 0.24% | -0.03% |
| 3 | 2026-05-02 | — | 0.27% | — |
EPSS の全履歴 (全 10 件)
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 7.6 | 3.1 | HIGH |
|
2.3 | 4.7 | [email protected] |
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
GHSA-h3qr-39j9-4r5v · 深刻度: high · エコシステム: actions — Data written to GitHub Actions Cache may expose secrets
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| gradle | build_action | < 2.4.2 | cpe:2.3:a:gradle:build_action:*:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://github.com/gradle/gradle-build-action/releases/tag/v2.4.2 | Release Notes |
| https://github.com/gradle/gradle-build-action/security/advisories/GHSA-h3qr-39j9-4r5v | Vendor Advisory |