CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2026-26310
High (7.5) in envoyproxy envoy. EPSS 0.4% chance of exploitation in the next 30 days.
Envoy is a high-performance edge/middle/service proxy. Prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13, calling Utility::getAddressWithPort with a scoped IPv6 addresses causes a crash. This utility is called in the data plane from the original_src filter and the dns filter. This vulnerability is fixed in 1.37.1, 1.36.5, 1.35.8, and 1.34.13.
Severity
- EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 35% of CVEs (scores of 2026-10-31)
- CWE
- CWE-20
- Published
- Modified
- Record from
- the NVD, synced
Affected
- envoyproxy:envoy
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-3cw6-2j68-868p | Go | github.com/envoyproxy/envoy | 1.37.0 | no fix published |
| GHSA-3cw6-2j68-868p | Go | github.com/envoyproxy/envoy | >=1.36.0 <=1.36.4 | no fix published |
| GHSA-3cw6-2j68-868p | Go | github.com/envoyproxy/envoy | >=1.35.0 <=1.35.8 | no fix published |
| GHSA-3cw6-2j68-868p | Go | github.com/envoyproxy/envoy | <=1.34.12 | no fix published |