VulnSocial

CVE-2026-6994Disclosure

LOWCVSS 5.3 · MEDIUM

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

A weakness has been identified in Envoy up to 1.33.0. Affected is the function params.add of the file source/extensions/filters/http/header_mutation/header_mutation.cc of the component Query Parameter Handler. This manipulation causes injection. Remote exploitation of the attack is possible. Patch name: f8f4f1e02fdc64ecd4acf2d903208dd7285ad3a4. It is suggested to install a patch to address this issue.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-74CWE-707

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 2 mentions across 1 observed day

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 1 classified signal
  • General: 1 classified signal
  • 2 total mentions across 1 day

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-04-25: 2Technical Details · 2026-04-25: 204-25
Signal classification2 categories
Disclosure
150.0%
General
150.0%
Referenced assets2 URLs
Full discourse2 posts
  • CVE@CVEnew
    Disclosure

    CVE-2026-6994 A weakness has been identified in Envoy up to 1.33.0. Affected is the function params.add of the file source/extensions/filters/http/header_mutation/header_mutation.cc … https://www.cve.org/CVERecord?id=CVE-2026-6994

    Post summary

    A weakness in Envoy up to version 1.33.0 affecting the header_mutation filter's `params.add` function (CVE‑2026‑6994) has been announced; no PoC, exploit, patch, or active exploitation details are provided.

    0000057
    57.2K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    General

    CVE-2026-6994 Query Parameter Injection in Envoy Up to 1.33.0 Header Mutation Filter https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-6994

    Post summary

    The provided text references CVE-2026-6994, describing it as a query parameter injection issue in Envoy's Header Mutation Filter up to version 1.33.0, without additional detail on exploitation, patches, or PoC availability.

    0000051
    4.0K followersView on X

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