CVE-2026-56763Disclosure

LOWCVSS 6.3 · 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

Hono before 4.12.7 allows __proto__ key in parseBody with dot option enabled, permitting specially crafted form field names to create objects with __proto__ properties. When parsed results are merged into regular JavaScript objects using unsafe merge patterns, attackers can exploit this to achieve prototype pollution and modify object behavior.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-1321

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 · 2026-07-11: 2Technical Details · 2026-07-11: 207-11
Signal classification2 categories
Disclosure
150.0%
General
150.0%
Referenced assets2 URLs
By indicator
Full discourse2 posts
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-56763 Hono before 4.12.7 allows __proto__ key in parseBody with dot option enabled, permitting specially crafted form field names to create objects with __proto__ propertie… https://www.cve.org/CVERecord?id=CVE-2026-56763 ----- Traducción: CVE-2026-56763 Hon… http://infoflow.cloud`

    Post summary

    The tweet references CVE-2026-56763, noting that Hono versions before 4.12.7 allow specially crafted form field names to set __proto__ properties; it provides technical details but does not mention a PoC, exploit code, active exploitation, patch, or debunking.

    0000036
    92 followersView on X
  • CVE@CVEnew
    General

    CVE-2026-56763 Hono before 4.12.7 allows __proto__ key in parseBody with dot option enabled, permitting specially crafted form field names to create objects with __proto__ propertie… https://www.cve.org/CVERecord?id=CVE-2026-56763

    Post summary

    The post reports that CVE‑2026‑56763 affects Hono versions before 4.12.7 by allowing a prototype‑pollution vulnerability through specially crafted form field names via an enabled dot option, but it provides no PoC, exploit, or mitigation information.

    00000737
    57.8K followersView on X

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