Security: Go 1.26.2 stdlib CVEs (CVE-2026-33811, CVE-2026-39836, CVE-2026-39823, CVE-2026-39826) in temporalio/ui:2.49.1
Open
Beginner friendly
Nobody has claimed this yet.
- Dominant language
- TypeScript
- Stars
- 431
- Forks
- 179
- Avg merge
- 2d 9h
- Merged PRs (30d)
- 71
Description
Description
Running a Twistlock / Prisma Cloud scan against temporalio/ui:2.49.1 surfaces four Go standard library CVEs in the bundled net and html/template packages compiled with Go 1.26.2.
Vulnerability details
| CVE | Package | Severity | Fix |
|---|---|---|---|
| CVE-2026-33811 | net @ Go 1.26.2 |
HIGH | Go 1.25.10 / 1.26.3 |
| CVE-2026-39836 | net @ Go 1.26.2 |
HIGH | Go 1.25.10 / 1.26.3 |
| CVE-2026-39823 | html/template @ Go 1.26.2 |
MEDIUM | Go 1.25.10 / 1.26.3 |
| CVE-2026-39826 | html/template @ Go 1.26.2 |
MEDIUM | Go 1.25.10 / 1.26.3 |
Confirmed affected image
temporalio/ui:2.49.1(Go builder version: 1.26.2)
Contributor guide
No contributing guide indexed for this repository
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by locating the Go builder configuration used to produce the temporalio/ui image and confirm where version 1.26.2 is set. Rebuild with a listed fixed Go version, then rerun the Twistlock or Prisma Cloud scan and verify that the four CVEs no longer appear.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- docker, go
- Domain
- build-system, security
- Issue type
- Bug
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 65/100