This release patches 2 CVEs for security teams tracking exposure across their dependency inventory.
Topics
+3 more
Affected surfaces
ReleasePort's take
Moderate signalRelease v2.31.12 patches four security vulnerabilities across dependencies and the server component.
Why it matters: Patch to v2.31.12 immediately; it fixes CVE-2026-33814, CVE-2026-39883, GHSA‑77fj‑vx54‑gvh7, and CVE-2026-5160 in golang/x/net, otel SDK, markdown parser, and Azure token verification.
Summary
AI summarySecurity fixes for CVE-2026-33814, CVE-2026-39883, GHSA-77fj-vx54-gvh7, and CVE-2026-5160.
Changes in this release
| Type | Severity | Summary | CVE |
|---|---|---|---|
| Security | Medium |
Bump golang.org/x/net to v0.53.0 fixes CVE-2026-33814 Bump golang.org/x/net to v0.53.0 fixes CVE-2026-33814 Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Security | Medium |
Bump otel SDK from v1.42.0 to v1.43.0 fixes CVE-2026-39883 Bump otel SDK from v1.42.0 to v1.43.0 fixes CVE-2026-39883 Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Security | Medium |
fix(security): bump gomarkdown/markdown to fix out-of-bounds read GHSA-77fj-vx54-gvh7 fix(security): bump gomarkdown/markdown to fix out-of-bounds read GHSA-77fj-vx54-gvh7 Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Security | Medium |
Verify PKCS7 signature on Azure instance identity tokens backport 2.31 Verify PKCS7 signature on Azure instance identity tokens backport 2.31 Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Dependency | Medium |
Bump aws-sdk-go-v2/service/s3 to v1.97.3 GHSA-xmrv-pmrh-hhx2 Bump aws-sdk-go-v2/service/s3 to v1.97.3 GHSA-xmrv-pmrh-hhx2 Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Dependency | Medium |
Bump github.com/go-git/go-git/v5 from 5.18.0 to 5.19.0 release/2.31 Bump github.com/go-git/go-git/v5 from 5.18.0 to 5.19.0 release/2.31 Source: llm_adapter@2026-05-21 Confidence: low |
— |
| Dependency | Medium |
Bump Go from 1.25.9 to 1.25.10 Bump Go from 1.25.9 to 1.25.10 Source: llm_adapter@2026-05-21 Confidence: low |
— |
| Performance | Medium |
Server: Harden Azure identity certificate fetch cherry-pick v2.31 Server: Harden Azure identity certificate fetch cherry-pick v2.31 Source: llm_adapter@2026-05-21 Confidence: low |
— |
| Bugfix | Medium |
Bump goldmark to v1.7.17 fixes XSS CVE-2026-5160 Bump goldmark to v1.7.17 fixes XSS CVE-2026-5160 Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Bugfix | Medium |
Dashboard: Remove flaky pagination test from WorkspacesPage Dashboard: Remove flaky pagination test from WorkspacesPage Source: llm_adapter@2026-05-21 Confidence: low |
— |
Full changelog
Changelog
Bug fixes
- Bump golang.org/x/net to v0.53.0 (CVE-2026-33814) (#25213, 836ff8f1b4)
- Bump otel SDK from v1.42.0 to v1.43.0 (CVE-2026-39883) (#25214, 59248df4c0)
- fix(security): bump gomarkdown/markdown to fix OOB read (GHSA-77fj-vx54-gvh7) (#25218, 17b857ea29)
- Bump goldmark to v1.7.17 to fix XSS (CVE-2026-5160) (#25216, cd6eb46777)
- Dashboard: Remove flaky pagination test from WorkspacesPage (#24165, e7030b122b)
- Server: Harden Azure identity certificate fetch (cherry-pick v2.31) (#25278, eb461163c7)
- Verify PKCS7 signature on Azure instance identity tokens (backport 2.31) (#25304, 6ff657f090)
- fix(scripts/ironbank): rebuild bundled Terraform from source with Go 1.25.9 (#25260, dfe986b2b0)
Chores
- Bump aws-sdk-go-v2/service/s3 to v1.97.3 (GHSA-xmrv-pmrh-hhx2) (#25212, f34f6733b6)
- Bump github.com/go-git/go-git/v5 from 5.18.0 to 5.19.0 (release/2.31) (#25236, 441a9aba0c)
- Bump Go from 1.25.9 to 1.25.10 (#25220, bddd73d5d2)
Compare: v2.31.11...v2.31.12
Container image
docker pull ghcr.io/coder/coder:2.31.12
Install/upgrade
Refer to our docs to install or upgrade Coder, or use a release asset below.
Security Fixes
- CVE-2026-33814 — vulnerability in golang.org/x/net v0.53.0
- CVE-2026-39883 — vulnerability in otel SDK v1.43.0
- GHSA-77fj-vx54-gvh7 — out‑of‑bounds read fix in gomarkdown/markdown
- CVE-2026-5160 — XSS vulnerability fixed by bumping goldmark to v1.7.17
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