CVE-2026-56240

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-07-11. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, secondary
Trending — 3 sources updated this week
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: —CVSS: 4.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Capgo before 12.128.12 contains a billing authorization bypass vulnerability in the plan_valid calculation that allows organizations with exhausted or expired usage credit grants to bypass billing gates. Attackers can exploit the divergence between the plugin hot-path plan_valid expression and the authoritative billing gate to gain continued access to /updates, /stats, /channel_self, and attachment upload endpoints after credit depletion.

CVSS v3
4.3
EG Score
4.3(high)
EPSS
—
KEV
Not listed

Published

July 11, 2026

Last Modified

July 11, 2026

Advisory Details (2)

Auto-updated Jul 11, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

Capgo - Billing Authorization Bypass via Exhausted Usage Credits | Advisories | VulnCheck

https://www.vulncheck.com/advisories/capgo-billing-authorization-bypass-via-exhausted-usage-credits
github Patch Available🟡 PoC Available

Exhausted or expired usage credit grants keep plugin plan_valid true, bypassing billing gates on /updates, /stats, /channel_self, and attachments · Advisory · Cap-go/capgo · GitHub

https://github.com/Cap-go/capgo/security/advisories/GHSA-g9fc-82c2-p2r6

Vendor Advisories for CVE-2026-56240(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 4× in last 7d / 4× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-12 12:34 UTCEG score recompute
  2. 2026-07-12 12:34 UTCGHSA enrichment
  3. 2026-07-11 13:34 UTCEG score recompute
  4. 2026-07-11 13:32 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2026-56240?
CVE-2026-56240 is a medium vulnerability published on July 11, 2026. Capgo before 12.128.12 contains a billing authorization bypass vulnerability in the planvalid calculation that allows organizations with exhausted or expired usage credit grants to bypass billing gates. Attackers can exploit the divergence between the plugin hot-path planvalid expression and the…
When was CVE-2026-56240 disclosed?
CVE-2026-56240 was first published in the National Vulnerability Database on July 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-56240?
CVE-2026-56240 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-56240?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56240, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-56240

Explore →

Is Your Infrastructure Affected by CVE-2026-56240?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs