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docs(oidc): add callout about immutable claim prefixes #26120

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docs(oidc): add callout about immutable claim prefixes #26120

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Add callout about immutable claim prefixes
nickjj Sep 17, 2026
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Streamline messaging
nickjj Sep 18, 2026
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3 changes: 2 additions & 1 deletion content/manuals/security/authentication/oidc-connections/rulesets-claims.md
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Expand Up @@ -73,7 +73,8 @@ The exact format varies and depends on what triggered the workflow.
> identifiers for default subject claims. For example:
> `repo:octocat@123456/my-repo@456789:ref:refs/heads/main`. See the
> [GitHub changelog](https://github.blog/changelog/2026-04-23-immutable-subject-claims-for-github-actions-oidc-tokens/)
> for more details.
> for more details. You can find your repository's IDs in GitHub under
> Settings -> Actions -> OIDC to use in the examples below.

You can use wildcards to match across repositories or branches:

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