SUSE · Security update for helm
Affects SUSESource GCVE Database
Not known to be exploited · CVSS 9.6 Critical · fixed in SUSE package updates : patch SUSE http as a priority.
Data as of 10 Nov 2026, 20:06 UTC
- Patch
- Available – fixed in 1.27.0-rc.3, 1.26.6, 1.25.13 +1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 22 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.
What to do
Upgrade net/http and net/http/internal/http2 to 1.27.0-rc.3, 1.26.6 or 1.25.13; golang.org/x/net/idna to 0.55.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Go standard librarynet/http | Affected
| Fixed in
|
| Go standard librarynet/http | Affected
| Fixed in
|
| Go standard librarynet/http | Affected
| Fixed in
|
| Go standard librarynet/http/internal/http2 | Affected
| Fixed in
|
| Go standard librarynet/http/internal/http2 | Affected
| Fixed in
|
| Go standard librarynet/http/internal/http2 | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
This update for helm fixes the following issue - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation (bsc#1266598). Changes for helm: - Update to version 3.21.1: * Fixed nil pointer panic that could happen with helm template in ClientOnly flows. Now correctly returns a template error #31920 * Bumped golang.org/x/net to v0.55.0 to address GO-2026-5026 #32152 * Bumped Go from 1.25 to 1.26 #32168 * Dependency version updates - chore(deps): bump oras.land/oras-go/v2 from 2.6.0 to 2.6.1 - chore(deps): bump golang.org/x/crypto from 0.52.0 to 0.53.0 - chore(deps): bump golang.org/x/term from 0.43.0 to 0.44.0 - chore(deps): bump golang.org/x/text from 0.37.0 to 0.38.0 - chore(deps): bump github.com/lib/pq from 1.11.2 to 1.12.3 - chore(deps): bump github.com/distribution/distribution/v3 - chore(deps): bump github.com/containerd/containerd from 1.7.30 to 1.7.32 - chore(deps): bump github.com/Masterminds/semver/v3 from 3.4.0 to 3.5.0 - chore(deps): bump github.com/mattn/go-shellwords from 1.0.12 to 1.0.13 - chore(deps): bump golang.org/x/crypto from 0.51.0 to 0.52.0 - chore(deps): bump k8s.io/klog/v2 from 2.130.1 to 2.140.0 - chore(deps): bump golang.org/x/text from 0.35.0 to 0.37.0