VulnSocial

CVE-2026-12209Disclosure

LOWCVSS 5.5 · MEDIUM

Signal is active with 1 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 security vulnerability has been detected in RubyLouvre avalon up to 2.2.10. The impacted element is an unknown function of the file src/filters/index.js of the component Template Filter Handler. Such manipulation leads to improperly controlled modification of object prototype attributes. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-94CWE-1321

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

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

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-06-15: 1Technical Details · 2026-06-15: 106-15
Signal classification1 categories
Disclosure
1100.0%
Referenced assets2 URLs
Full discourse1 post
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-12209 Prototype Pollution in RubyLouvre Avalon Up To 2.2.10 Template Fi... https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-12209 Vulnerability Alert Subscriptions: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=1

    Post summary

    The post announces CVE-2026-12209, a prototype‑pollution vulnerability in RubyLouvre Avalon up to 2.2.10, but it provides no PoC, exploit, patch, or evidence of active exploitation.

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    4.0K followersView on X

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