ui: fix stored XSS in old UI heatmap chart tick labels#18588
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roidelapluie merged 1 commit intoprometheus:release-3.11from Apr 27, 2026
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ui: fix stored XSS in old UI heatmap chart tick labels#18588roidelapluie merged 1 commit intoprometheus:release-3.11from
roidelapluie merged 1 commit intoprometheus:release-3.11from
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This fixes the stored XSS as described in: GHSA-fw8g-cg8f-9j28 Signed-off-by: Julius Volz <julius.volz@gmail.com> Signed-off-by: Julien Pivotto <291750+roidelapluie@users.noreply.github.com>
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… v3.11.3) (#303) This PR contains the following updates: | Package | Update | Change | |---|---|---| | [quay.io/prometheus/prometheus](https://github.com/prometheus/prometheus) | patch | `v3.11.2` → `v3.11.3` | --- ### Release Notes <details> <summary>prometheus/prometheus (quay.io/prometheus/prometheus)</summary> ### [`v3.11.3`](https://github.com/prometheus/prometheus/releases/tag/v3.11.3): 3.11.3 / 2026-04-27 [Compare Source](prometheus/prometheus@v3.11.2...v3.11.3) This release fixes mutiple security issues. We would like to thank the following people for the responsible disclosures: - Shadowbyte (4c1dr3aper) - Charlie Lewis for the Remote-Read snappy decode vulnerability. - Brett Gervasoni for the AzureAD OAuth `client_secret` vulnerability. - [@​iiihaiii](https://github.com/iiihaiii) and [@​Ngocnn97](https://github.com/Ngocnn97) for the Old UI XSS vulnerability. - \[SECURITY] AzureAD remote write: Fix OAuth `client_secret` being exposed in plaintext via `/-/config` endpoint. GHSA-wg65-39gg-5wfj / CVE-2026-42151 [#​18590](prometheus/prometheus#18590) - \[SECURITY] Remote-read: Reject snappy-compressed requests whose declared decoded length exceeds the decode limit. GHSA-8rm2-7qqf-34qm / CVE-2026-42154 [#​18584](prometheus/prometheus#18584) - \[SECURITY] UI: Fix stored XSS via unescaped `le` label values in old UI heatmap chart tick labels. GHSA-fw8g-cg8f-9j28 [#​18588](prometheus/prometheus#18588) </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4xMDEuMSIsInVwZGF0ZWRJblZlciI6IjQzLjEwMS4xIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJyZW5vdmF0ZS9jb250YWluZXIiLCJ0eXBlL3BhdGNoIl19--> Reviewed-on: https://git.erwanleboucher.dev/eleboucher/homelab/pulls/303
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##### [\`v3.11.3\`](https://github.com/prometheus/prometheus/releases/tag/v3.11.3) This release fixes mutiple security issues. We would like to thank the following people for the responsible disclosures: - Shadowbyte (4c1dr3aper) - Charlie Lewis for the Remote-Read snappy decode vulnerability. - Brett Gervasoni for the AzureAD OAuth `client_secret` vulnerability. - [@iiihaiii](https://github.com/iiihaiii) and [@ngocnn97](https://github.com/Ngocnn97) for the Old UI XSS vulnerability. - \[SECURITY] AzureAD remote write: Fix OAuth `client_secret` being exposed in plaintext via `/-/config` endpoint. GHSA-wg65-39gg-5wfj / CVE-2026-42151 [#18590](prometheus/prometheus#18590) - \[SECURITY] Remote-read: Reject snappy-compressed requests whose declared decoded length exceeds the decode limit. GHSA-8rm2-7qqf-34qm / CVE-2026-42154 [#18584](prometheus/prometheus#18584) - \[SECURITY] UI: Fix stored XSS via unescaped `le` label values in old UI heatmap chart tick labels. GHSA-fw8g-cg8f-9j28 [#18588](prometheus/prometheus#18588)
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##### [\`v3.11.3\`](https://github.com/prometheus/prometheus/releases/tag/v3.11.3) This release fixes mutiple security issues. We would like to thank the following people for the responsible disclosures: - Shadowbyte (4c1dr3aper) - Charlie Lewis for the Remote-Read snappy decode vulnerability. - Brett Gervasoni for the AzureAD OAuth `client_secret` vulnerability. - [@iiihaiii](https://github.com/iiihaiii) and [@ngocnn97](https://github.com/Ngocnn97) for the Old UI XSS vulnerability. - \[SECURITY] AzureAD remote write: Fix OAuth `client_secret` being exposed in plaintext via `/-/config` endpoint. GHSA-wg65-39gg-5wfj / CVE-2026-42151 [#18590](prometheus/prometheus#18590) - \[SECURITY] Remote-read: Reject snappy-compressed requests whose declared decoded length exceeds the decode limit. GHSA-8rm2-7qqf-34qm / CVE-2026-42154 [#18584](prometheus/prometheus#18584) - \[SECURITY] UI: Fix stored XSS via unescaped `le` label values in old UI heatmap chart tick labels. GHSA-fw8g-cg8f-9j28 [#18588](prometheus/prometheus#18588)
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##### [\`v3.11.3\`](https://github.com/prometheus/prometheus/releases/tag/v3.11.3) This release fixes mutiple security issues. We would like to thank the following people for the responsible disclosures: - Shadowbyte (4c1dr3aper) - Charlie Lewis for the Remote-Read snappy decode vulnerability. - Brett Gervasoni for the AzureAD OAuth `client_secret` vulnerability. - [@iiihaiii](https://github.com/iiihaiii) and [@ngocnn97](https://github.com/Ngocnn97) for the Old UI XSS vulnerability. - \[SECURITY] AzureAD remote write: Fix OAuth `client_secret` being exposed in plaintext via `/-/config` endpoint. GHSA-wg65-39gg-5wfj / CVE-2026-42151 [#18590](prometheus/prometheus#18590) - \[SECURITY] Remote-read: Reject snappy-compressed requests whose declared decoded length exceeds the decode limit. GHSA-8rm2-7qqf-34qm / CVE-2026-42154 [#18584](prometheus/prometheus#18584) - \[SECURITY] UI: Fix stored XSS via unescaped `le` label values in old UI heatmap chart tick labels. GHSA-fw8g-cg8f-9j28 [#18588](prometheus/prometheus#18588)
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##### [\`v3.11.3\`](https://github.com/prometheus/prometheus/releases/tag/v3.11.3) This release fixes mutiple security issues. We would like to thank the following people for the responsible disclosures: - Shadowbyte (4c1dr3aper) - Charlie Lewis for the Remote-Read snappy decode vulnerability. - Brett Gervasoni for the AzureAD OAuth `client_secret` vulnerability. - [@iiihaiii](https://github.com/iiihaiii) and [@ngocnn97](https://github.com/Ngocnn97) for the Old UI XSS vulnerability. - \[SECURITY] AzureAD remote write: Fix OAuth `client_secret` being exposed in plaintext via `/-/config` endpoint. GHSA-wg65-39gg-5wfj / CVE-2026-42151 [#18590](prometheus/prometheus#18590) - \[SECURITY] Remote-read: Reject snappy-compressed requests whose declared decoded length exceeds the decode limit. GHSA-8rm2-7qqf-34qm / CVE-2026-42154 [#18584](prometheus/prometheus#18584) - \[SECURITY] UI: Fix stored XSS via unescaped `le` label values in old UI heatmap chart tick labels. GHSA-fw8g-cg8f-9j28 [#18588](prometheus/prometheus#18588)
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##### [\`v3.11.3\`](https://github.com/prometheus/prometheus/releases/tag/v3.11.3) This release fixes mutiple security issues. We would like to thank the following people for the responsible disclosures: - Shadowbyte (4c1dr3aper) - Charlie Lewis for the Remote-Read snappy decode vulnerability. - Brett Gervasoni for the AzureAD OAuth `client_secret` vulnerability. - [@iiihaiii](https://github.com/iiihaiii) and [@ngocnn97](https://github.com/Ngocnn97) for the Old UI XSS vulnerability. - \[SECURITY] AzureAD remote write: Fix OAuth `client_secret` being exposed in plaintext via `/-/config` endpoint. GHSA-wg65-39gg-5wfj / CVE-2026-42151 [#18590](prometheus/prometheus#18590) - \[SECURITY] Remote-read: Reject snappy-compressed requests whose declared decoded length exceeds the decode limit. GHSA-8rm2-7qqf-34qm / CVE-2026-42154 [#18584](prometheus/prometheus#18584) - \[SECURITY] UI: Fix stored XSS via unescaped `le` label values in old UI heatmap chart tick labels. GHSA-fw8g-cg8f-9j28 [#18588](prometheus/prometheus#18588)
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##### [\`v3.11.3\`](https://github.com/prometheus/prometheus/releases/tag/v3.11.3) This release fixes mutiple security issues. We would like to thank the following people for the responsible disclosures: - Shadowbyte (4c1dr3aper) - Charlie Lewis for the Remote-Read snappy decode vulnerability. - Brett Gervasoni for the AzureAD OAuth `client_secret` vulnerability. - [@iiihaiii](https://github.com/iiihaiii) and [@ngocnn97](https://github.com/Ngocnn97) for the Old UI XSS vulnerability. - \[SECURITY] AzureAD remote write: Fix OAuth `client_secret` being exposed in plaintext via `/-/config` endpoint. GHSA-wg65-39gg-5wfj / CVE-2026-42151 [#18590](prometheus/prometheus#18590) - \[SECURITY] Remote-read: Reject snappy-compressed requests whose declared decoded length exceeds the decode limit. GHSA-8rm2-7qqf-34qm / CVE-2026-42154 [#18584](prometheus/prometheus#18584) - \[SECURITY] UI: Fix stored XSS via unescaped `le` label values in old UI heatmap chart tick labels. GHSA-fw8g-cg8f-9j28 [#18588](prometheus/prometheus#18588)
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##### [\`v3.11.3\`](https://github.com/prometheus/prometheus/releases/tag/v3.11.3) This release fixes mutiple security issues. We would like to thank the following people for the responsible disclosures: - Shadowbyte (4c1dr3aper) - Charlie Lewis for the Remote-Read snappy decode vulnerability. - Brett Gervasoni for the AzureAD OAuth `client_secret` vulnerability. - [@iiihaiii](https://github.com/iiihaiii) and [@ngocnn97](https://github.com/Ngocnn97) for the Old UI XSS vulnerability. - \[SECURITY] AzureAD remote write: Fix OAuth `client_secret` being exposed in plaintext via `/-/config` endpoint. GHSA-wg65-39gg-5wfj / CVE-2026-42151 [#18590](prometheus/prometheus#18590) - \[SECURITY] Remote-read: Reject snappy-compressed requests whose declared decoded length exceeds the decode limit. GHSA-8rm2-7qqf-34qm / CVE-2026-42154 [#18584](prometheus/prometheus#18584) - \[SECURITY] UI: Fix stored XSS via unescaped `le` label values in old UI heatmap chart tick labels. GHSA-fw8g-cg8f-9j28 [#18588](prometheus/prometheus#18588)
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##### [\`v3.11.3\`](https://github.com/prometheus/prometheus/releases/tag/v3.11.3) This release fixes mutiple security issues. We would like to thank the following people for the responsible disclosures: - Shadowbyte (4c1dr3aper) - Charlie Lewis for the Remote-Read snappy decode vulnerability. - Brett Gervasoni for the AzureAD OAuth `client_secret` vulnerability. - [@iiihaiii](https://github.com/iiihaiii) and [@ngocnn97](https://github.com/Ngocnn97) for the Old UI XSS vulnerability. - \[SECURITY] AzureAD remote write: Fix OAuth `client_secret` being exposed in plaintext via `/-/config` endpoint. GHSA-wg65-39gg-5wfj / CVE-2026-42151 [#18590](prometheus/prometheus#18590) - \[SECURITY] Remote-read: Reject snappy-compressed requests whose declared decoded length exceeds the decode limit. GHSA-8rm2-7qqf-34qm / CVE-2026-42154 [#18584](prometheus/prometheus#18584) - \[SECURITY] UI: Fix stored XSS via unescaped `le` label values in old UI heatmap chart tick labels. GHSA-fw8g-cg8f-9j28 [#18588](prometheus/prometheus#18588)
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##### [\`v3.11.3\`](https://github.com/prometheus/prometheus/releases/tag/v3.11.3) This release fixes mutiple security issues. We would like to thank the following people for the responsible disclosures: - Shadowbyte (4c1dr3aper) - Charlie Lewis for the Remote-Read snappy decode vulnerability. - Brett Gervasoni for the AzureAD OAuth `client_secret` vulnerability. - [@iiihaiii](https://github.com/iiihaiii) and [@ngocnn97](https://github.com/Ngocnn97) for the Old UI XSS vulnerability. - \[SECURITY] AzureAD remote write: Fix OAuth `client_secret` being exposed in plaintext via `/-/config` endpoint. GHSA-wg65-39gg-5wfj / CVE-2026-42151 [#18590](prometheus/prometheus#18590) - \[SECURITY] Remote-read: Reject snappy-compressed requests whose declared decoded length exceeds the decode limit. GHSA-8rm2-7qqf-34qm / CVE-2026-42154 [#18584](prometheus/prometheus#18584) - \[SECURITY] UI: Fix stored XSS via unescaped `le` label values in old UI heatmap chart tick labels. GHSA-fw8g-cg8f-9j28 [#18588](prometheus/prometheus#18588)
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##### [\`v3.11.3\`](https://github.com/prometheus/prometheus/releases/tag/v3.11.3) This release fixes mutiple security issues. We would like to thank the following people for the responsible disclosures: - Shadowbyte (4c1dr3aper) - Charlie Lewis for the Remote-Read snappy decode vulnerability. - Brett Gervasoni for the AzureAD OAuth `client_secret` vulnerability. - [@iiihaiii](https://github.com/iiihaiii) and [@ngocnn97](https://github.com/Ngocnn97) for the Old UI XSS vulnerability. - \[SECURITY] AzureAD remote write: Fix OAuth `client_secret` being exposed in plaintext via `/-/config` endpoint. GHSA-wg65-39gg-5wfj / CVE-2026-42151 [#18590](prometheus/prometheus#18590) - \[SECURITY] Remote-read: Reject snappy-compressed requests whose declared decoded length exceeds the decode limit. GHSA-8rm2-7qqf-34qm / CVE-2026-42154 [#18584](prometheus/prometheus#18584) - \[SECURITY] UI: Fix stored XSS via unescaped `le` label values in old UI heatmap chart tick labels. GHSA-fw8g-cg8f-9j28 [#18588](prometheus/prometheus#18588) Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
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This fixes the stored XSS as described in:
GHSA-fw8g-cg8f-9j28
Which issue(s) does the PR fix:
Release notes for end users (ALL commits must be considered).
Reviewers should verify clarity and quality.