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Bump Go 1.26.2→1.26.3, x/net v0.54.0, remove curl from runtime image#3409

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May 20, 2026
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Bump Go 1.26.2→1.26.3, x/net v0.54.0, remove curl from runtime image#3409
picatz merged 1 commit into
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@picatz picatz commented May 20, 2026

What was changed

Bumps Go toolchain and dependencies. Removed curl from final stage.

Why?

To clear 6 CVEs flagged against the temporalio/ui-server Docker image. None are exploitable in Temporal deployments, but they need to be fixed to avoid vulnerability scanner noise.

Go toolchain (1.26.3):

  • CVE-2026-39836 (net: panic on NUL byte)
  • CVE-2026-33814 (net/http2: infinite loop on SETTINGS_MAX_FRAME_SIZE=0)
  • CVE-2026-33811 (net: double-free in LookupCNAME with cgo resolver)

golang.org/x/net v0.54.0 (≥ v0.53.0):

  • CVE-2026-33814 at the library level

curl removed from final runtime stage (kept in builder):

Warning

Customers with custom Kubernetes manifests using exec-based probes that shell out to curl inside the ui-server container would break. This is not a pattern we document, and the official helm chart uses native Kubernetes probe types. But, it's possible someone does it. These users would need to switch to httpGet/tcpSocket probes, or add curl back via a custom image layer.

Additionally, with Alpine 3.23, it only ships curl 8.19.0, so upgrading curl within the current Alpine release was not an option. Removal was the only way to clear the findings without bumping the Alpine major version, and gives us the benefit of reducing future vulnerability scanner noise.

Clears 6 CVEs flagged on the ui-server Docker image:

Go toolchain (1.26.3):
- CVE-2026-39836 (net: panic on NUL byte)
- CVE-2026-33814 (net/http2: infinite loop on SETTINGS_MAX_FRAME_SIZE=0)
- CVE-2026-33811 (net: double-free in LookupCNAME with cgo resolver)

golang.org/x/net v0.54.0 (≥ v0.53.0):
- CVE-2026-33814 at the library level

curl removed from final runtime stage (kept in builder):
- CVE-2026-3805 (SMB use-after-free)
- CVE-2026-6276 (cookie leak via stale Host header)
- CVE-2026-5773 (SMB connection reuse)
@picatz picatz requested a review from a team as a code owner May 20, 2026 14:20
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@picatz picatz enabled auto-merge (squash) May 20, 2026 14:22
@picatz picatz merged commit 672bb04 into main May 20, 2026
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@picatz picatz deleted the bump-deps branch May 20, 2026 14:33
laurakwhit added a commit that referenced this pull request May 21, 2026
Auto-generated version bump from 2.49.1 to 2.50.0

Bump type: minor

Changes included:
- [`29832bec`](29832be) Use initiatedEvent for startChildFailed event grouping (#3342)
- [`91a01560`](91a0156) rm slash (#3343)
- [`2e7b88d0`](2e7b88d) feat: Set Current Version action for worker deployment versions (#3319)
- [`b2685f3b`](b2685f3) Add relative path prefix support to routeFor utilities (#3292)
- [`9c888c0c`](9c888c0) fix: validate connection modal status, retry button, and copy nits (#3347)
- [`38989c48`](38989c4) revert: restore original create worker deployment copy (#3348)
- [`90e1fe58`](90e1fe5) Common Errors for Event History (#3306)
- [`f479e4e2`](f479e4e) Show current duration for pending timeline events (#3346)
- [`65a7ff0d`](65a7ff0) Add refresh button to workers list view (#3349)
- [`219cfee4`](219cfee) Fix null conditionals in search attribute filter (#3351)
- [`08bd2f01`](08bd2f0) Add support for adding caller Namespace even if it's not in list of allowed Namespace options for Nexus endpoint (#3167)
- [`d424a78a`](d424a78) refactor(DT-3906): Add knip (#3350)
- [`e828b14f`](e828b14) Remove icon (#3357)
- [`252a755c`](252a755) Add Java to list of support versions for worker heartbeats (#3362)
- [`0f446c7a`](0f446c7) refactor(DT-3906): Simple Svelte 5 migrations (#3359)
- [`63db5b72`](63db5b7) feat(DT-3657): Support shift click for bulk selection in workflow table (#3344)
- [`389d57bf`](389d57b) Enable Svelte 5 runes on files not using legacy features (#3363)
- [`f4b87e1d`](f4b87e1) Update components/workflow to Svelte 5 syntax (#3361)
- [`3e2cce43`](3e2cce4) refactor(DT-3906): More Svelte 5 Migrations (trivial ones) (#3364)
- [`15adcd73`](15adcd7) refactor(DT-3906): UI svelte 5 migrate components/events (#3365)
- [`031fb867`](031fb86) refactor(DT-3906): Migrate stories to Svelte 5 syntax (#3366)
- [`4eac9d2a`](4eac9d2) Scope group hover to tooltip component only (#3379)
- [`eeace5c3`](eeace5c) chore: upgrade TypeScript to v6.0.3 (#3371)
- [`cb80efdd`](cb80efd) refactor(DT-3906): More trivial migrations (#3367)
- [`6cc395bf`](6cc395b) refactor(DT-3906): migrate holocene primitives + layout components to Svelte 5 runes (#3377)
- [`40a029ea`](40a029e) refactor(DT-3906): UI Svelte 5 Migrations medium (#3368)
- [`7dc29ba6`](7dc29ba) refactor(DT-3906): Delete unused Svelte 4 scaffolding (carved from #3370 - Part 1) (#3372)
- [`34a8547e`](34a8547) refactor(DT-3906): Migrate workflow client-action modals to runes (carved from #3370 - Part 4) (#3375)
- [`61090d7e`](61090d7) refactor(DT-3906): Migrate schedule view components to runes (carved from #3370 - Part 2) (#3373)
- [`988e0479`](988e047) refactor(DT-3906): Migrate filter and input components to runes (carved from #3370 - Part 3) (#3374)
- [`d8b78496`](d8b7849) refactor(DT-3906): Migrate workflows-summary table + relationships to runes (carved from #3370 - Part 5) (#3376)
- [`ff86c004`](ff86c00) fix(DT-3968): Make Workflow Table Tooltips render in portal (#3383)
- [`5e02642a`](5e02642) fix(DT-3967): Visibly toggle the view children button even with a parent has 0 (#3382)
- [`1f2b1031`](1f2b103) Remove capability guard from Set Current Version menu item (#3386)
- [`0d54dcb4`](0d54dcb) fix: portal maximizable to body to escape stacking context (#3385)
- [`abf45438`](abf4543) chore(security): patch Dependabot alerts for axios, protobufjs, fast-uri, uuid, postcss, gomarkdown (#3388)
- [`4500f5ea`](4500f5e) Upgrade GitHub actions (#3389)
- [`4a8c0c5b`](4a8c0c5) fix(timeline): stabilize child workflow timeline width with scrollbar-gutter (#3329)
- [`ead14c61`](ead14c6) Move Create Schedule button to header row (#3390)
- [`e8638a2b`](e8638a2) Add top margin (#3392)
- [`ef03dfce`](ef03dfc) refactor: replace PayloadDecoder and MetadataDecoder with unified Payload component (#3299)
- [`89b9eafa`](89b9eaf) add loading state to payload code block (#3397)
- [`ee3ae138`](ee3ae13) Update Schedules search attributes filter (#3396)
- [`41fd4f1f`](41fd4f1) DT-3751 - download external payloads (#3345)
- [`e4fee0b6`](e4fee0b) Fix codec server request URL (#3400)
- [`966b3d0a`](966b3d0) Make input from schedule result actually a string and update tests (#3403)
- [`48a014db`](48a014d) feat(history): show Nexus operation name in compact view  (#3394)
- [`9127c768`](9127c76) Refactor status counts and refresh button (#3402)
- [`747ec109`](747ec10) Fix double loader button (#3407)
- [`6ae961fc`](6ae961f) Payload rendering and error optimizations (#3401)
- [`32c74a48`](32c74a4) add codec server error banner back to workflow layout (#3408)
- [`f73c7ec9`](f73c7ec) Nxs operation/kt (#3406)
- [`672bb04a`](672bb04) Bump Go 1.26.2→1.26.3, x/net v0.54.0, remove curl from runtime image (#3409)
- [`1ee09fe3`](1ee09fe) chore(deps-dev): bump svelte from 5.55.1 to 5.55.7 (#3395)
- [`565bb071`](565bb07) VLN-1352: remediate missing-dependency-cooldown (#3398)
- [`25794ed8`](25794ed) Bump devalue to 5.8.1 (#3410)
- [`b18d0060`](b18d006) Set color-scheme explicitly (#3358)
- [`e7995b81`](e7995b8) chore: ensure the empty app.html respects the user's ligh/dark settings (#3353)
- [`01d64038`](01d6403) fix: enable external payload download button with namespace level codec endpoint (#3420)
- [`4cc44311`](4cc4431) Fix publicPath URL duplication when prefix appears as substring (#3393)

Co-authored-by: laurakwhit <15069288+laurakwhit@users.noreply.github.com>
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