CVE-2026-31052

MEDIUMNVD 5.35.3—Elevated

5.3

An issue in Hostbill v.2025-11-24 and 2025-12-01 allows a remote attacker to cause a denial of service via the Checkout Authentication Flow component

CVSS v3: 5.3
EG Score: 5.3(high)
EPSS: 64.9%
KEV: Not listed

Published

April 24, 2026

Last Modified

April 24, 2026

References (6)

cve@mitrehttps://blog.hostbillapp.com/2025/12/03/hostbill-security-advisory/
cve@mitrehttps://github.com/Muhammad5235/HostBill-CVEs-2025/blob/main/Rate%20Limit%20Bypass/Description
cve@mitrehttps://hostbillapp.com/changelog
cve@mitrehttps://hostbillapp.com/release-notes/11-27-2025.html
cve@mitrehttps://hostbillapp.com/responsible-disclosure
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/Muhammad5235/HostBill-CVEs-2025/blob/main/Rate%20Limit%20Bypass/Description

Weakness Classification(1)

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

CWE-400Uncontrolled Resource Consumption (Denial of Service)

Data Freshness Timeline

(refreshed 17× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
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2026-05-31 00:16 UTCepss_batch
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2026-05-29 13:44 UTCepss_batch
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2026-05-27 13:40 UTCepss_batch
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2026-05-26 13:44 UTCepss_batch
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2026-05-24 16:59 UTCepss_batch
2026-05-23 15:21 UTCepss_batch
2026-05-22 21:16 UTCepss_batch

Frequently asked(5)

What is CVE-2026-31052?

CVE-2026-31052 is a medium vulnerability published on April 24, 2026. An issue in Hostbill v.2025-11-24 and 2025-12-01 allows a remote attacker to cause a denial of service via the Checkout Authentication Flow component

When was CVE-2026-31052 disclosed?

CVE-2026-31052 was first published in the National Vulnerability Database on April 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-31052 actively exploited?

CVE-2026-31052 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 64.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-31052?

CVE-2026-31052 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2026-31052?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-31052, 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

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CVE-2026-31052

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-31052?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(5)

Related CVEs(same CWE)