VulnSocial

CVE-2026-54388Disclosure

LOW

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

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0.5/ 10 priority

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Threat summary

  • Patch or workaround signal is available
  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 3 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 2 mentions (2026-06-17); latest day: 1
  • 3 total mentions across 2 days

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-06-17: 2Mentions · 2026-06-23: 1Patch / Workaround · 2026-06-17: 1Patch / Workaround · 2026-06-23: 1Technical Details · 2026-06-17: 2Technical Details · 2026-06-23: 106-1706-23
Signal classification2 categories
Disclosure
266.7%
Patch
133.3%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-06-172
Disclosure2
2026-06-231
Patch1
Full discourse3 posts
  • Daily CyberSecurity@the_yellow_fall
    Patch

    Three critical Tinyproxy request smuggling vulnerabilities, including CVE-2026-54388, expose networks to severe attacks. Update your proxy servers immediately. #Tinyproxy #RequestSmuggling #CVE202654388 #CVE202655202 #CVE202654387 https://securityonline.info/tinyproxy-request-smuggling-cve https://t.co/np9OyvaFG5

    Post summary

    The tweet warns of three critical Tinyproxy request smuggling flaws and urges immediate patching, but offers no PoC, exploit code, or evidence of active attacks.

    00040863
    12.8K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-54388 HTTP Request Smuggling in Tinyproxy Through 1.11.3 via Multiple Content-Length Headers https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-54388

    Post summary

    The entry announces a known HTTP Request Smuggling flaw in Tinyproxy 1.11.3 caused by multiple Content-Length headers, but provides no PoC, exploit, or patch details.

    0000062
    4.0K followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-54388 Tinyproxy through 1.11.3, fixed in commit 364cdb6, fails to reject requests containing multiple Content-Length headers with differing values, forwarding all duplicate… https://www.cve.org/CVERecord?id=CVE-2026-54388

    Post summary

    The post discloses a Tinyproxy vulnerability (CVE‑2026‑54388) involving improper handling of multiple Content‑Length headers and notes that the issue was fixed in commit 364cdb6.

    00000139
    57.6K followersView on X

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