Em resumo
- CVE-2026-78660 é uma vulnerabilidade ALTO (CVSS 7.5) que afeta golang.org/x/net, stdlib.
- Chance de exploração nos próximos 30 dias (EPSS): 0.43%, maior que 36.8% das vulnerabilidades.
- Correção: atualize para 0.60.0, 1.27.2, 1.26.9 ou posterior.
| Package | Affected versions | Patched versions |
|---|
| golang.org/x/net Go | < 0.60.0
| 0.60.0
|
| stdlib Go | ≥ 1.27.0-0, < 1.27.2< 1.26.9
| 1.27.21.26.9
|
Description
Historically, we have been rather lax about malformed framing-related headers in our HTTP/2 implementation, as they cannot interfere with HTTP/2 framing. However, this makes it possible for our HTTP/2 implementation to forward responses containing such headers to an HTTP/1 client when acting as a reverse proxy. If the HTTP/1 client also does not behave strictly enough, this can result in response smuggling.
NVD description
Historically, we have been rather lax about malformed framing-related headers in our HTTP/2 implementation, as they cannot interfere with HTTP/2 framing. However, this makes it possible for our HTTP/2 implementation to forward responses containing such headers to an HTTP/1 client when acting as a reverse proxy. If the HTTP/1 client also does not behave strictly enough, this can result in response smuggling.
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