VulnSocial

CVE-2026-26310Disclosure(envoyproxy / envoy)

LOWCVSS 7.5 · HIGH

Signal is active with 3 mentions in latest observed window

Immediate actions

  • Patch envoyproxy envoy systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

envoyproxy CVEsBack to dashboard
0.5/ 10 priority

Sources & remediation

Exploit / PoC references
Weakness type (CWE)
CWE-20

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • envoy

Threat summary

  • Patch or workaround signal is available
  • 3 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 3 signals
  • Disclosure: 2 classified signals
  • 3 total mentions across 1 day

Affected systems

Vendors
envoyproxy
Products
envoy

1 version affected across 1 product

Deep dive

Activity timeline3 mentions / 1d
01223Mentions · 2026-03-10: 3Patch / Workaround · 2026-03-10: 2Technical Details · 2026-03-10: 303-10
Signal classification2 categories
Disclosure
266.7%
Patch
133.3%
Referenced assets3 URLs
Full discourse3 posts
  • Volerion@VolerionSec
    Patch

    🚨 CVE-2026-26310: A crafted scoped IPv6 address can remotely crash Envoy, causing denial of service. Upgrade to 1.37.1, 1.36.5, 1.35.9 or 1.34.13 ASAP. Full advisory ➡️ https://volerion.com/vulnerabilities/CVE-2026-26310 #Envoy #infosec #DevOps

    Post summary

    The message highlights CVE-2026-26310 as a DoS vulnerability triggered by a crafted IPv6 address and urges users to upgrade to specific Envoy releases for protection.

    01030220
    50 followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-26310 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 … https://www.cve.org/CVERecord?id=CVE-2026-26310 ----- Traducción: CVE-2026-26310 Env… http://infoflow.cloud`

    Post summary

    The post announces CVE‑2026‑26310, listing vulnerable Envoy versions and a flaw in IPv6 address handling, but does not provide any PoC, exploit code, or indication of active exploitation.

    0000021
    57 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-26310 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 … https://www.cve.org/CVERecord?id=CVE-2026-26310

    Post summary

    CVE-2026-26310 affects Envoy’s Utility::getAddressWithPort function with scoped IPv6 addresses in versions before 1.37.1, 1.36.5, 1.35.8, and 1.34.13, with no PoC, exploit code, or active exploitation reported.

    00000204
    56.7K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
Appenvoyproxyenvoy---
Appenvoyproxyenvoy1.37.0--

Explore more

Back to dashboardenvoyproxy CVEsenvoy vulnerabilities