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5.3
CGA-g9f2-4987-55v5
published 8 months ago
Summary
No summary available.
What to do
- Update chainguard kubo to version 0.39.0-r5.
- Update wolfi kubo to version 0.39.0-r5.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Chainguard | chainguard | kubo |
< 0.39.0-r5 Fix: upgrade to 0.39.0-r5
|
| Wolfi | wolfi | kubo |
< 0.39.0-r5 Fix: upgrade to 0.39.0-r5
|
Original advisory text
CGA-g9f2-4987-55v5
References
- https://github.com/quic-go/webtransport-go/releases/tag/v0.10.0 URL
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21438... Vendor Advisory
- https://github.com/quic-go/webtransport-go/security/advisories/GHSA-2f2x-8mwp-p2... Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-21438 Vendor Advisory
Internet-facing
14 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically (estimated)
- Gives an attacker partial control (estimated)
Timeline
Published13 Feb 2026
Updated5 Nov 2026
First seen5 Nov 2026
Sources
CGA-g9f2-4987-55v5 · OSV
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