CVE-2026-56299Disclosure

LOWCVSS 6.9 · 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

Capgo before 12.128.2 contains an authentication bypass vulnerability in the /build/upload/:jobId/* endpoint that allows unauthenticated attackers to trigger consistent 500 errors. Remote attackers can send OPTIONS requests to bypass authentication middleware and invoke tusProxy logic with invalid credentials, enabling trivial request flooding and denial of service.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-306

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 · 2026-06-21: 1Technical Details · 2026-06-21: 106-21
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-56299 Authentication Bypass in Capgo Before 12.128.2 Enables Denial of Service https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-56299

    Post summary

    The post announces an authentication‑bypass vulnerability in Capgo versions earlier than 12.128.2 that can lead to denial of service, but it does not mention PoC, exploit code, or active exploitation, and no patch or mitigation is cited.

    0000090
    4.1K followersView on X

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