CVE-2025-54883

CRITICALNVD 9.39.3—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.3 under NVD CVSS v3. EPSS exploit probability: 0.6%, top 30% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
9.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.3Exploit: NoneExposed: 0

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

Vision UI is a collection of enterprise-grade, dependency-free modules for modern web projects. In versions 1.4.0 and below, the getSecureRandomInt function in security-kit versions prior to 3.5.0 (packaged in Vision-ui <= 1.4.0) contains a critical cryptographic weakness. Due to a silent 32-bit integer overflow in its internal masking logic, the function fails to produce a uniform distribution of random numbers when the requested range between min and max is larger than 2³². The root cause is the use of a 32-bit bitwise left-shift operation (<<) to generate a bitmask for the rejection sampling algorithm. This causes the mask to be incorrect for any range requiring 32 or more bits of entropy. This issue is fixed in version 1.5.0.

CVSS v3
9.3
EG Score
9.3(medium)
EG Risk
—
EPSS
29.7%
KEV
Not listed

Published

August 6, 2025

Last Modified

April 15, 2026

Advisory Details (2)

Auto-updated Jul 17, 2026
Patch available. Sources: github_commit, github.
github Patch Available

Cryptographic Weakness and Denial of Service in security-kit.js · Advisory · DavidOsipov/Vision-ui · GitHub

https://github.com/DavidOsipov/Vision-ui/security/advisories/GHSA-c9xg-x7h3-mq2q
github_commit Patch Available

commit 347355859f05 (DavidOsipov/Vision-ui)

Patch available: DavidOsipov/Vision-ui 1.5.0 (contains commit 347355859f05)

https://github.com/DavidOsipov/Vision-ui/commit/347355859f05e98047efbd96fc0e61b9191324f1

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 44× 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.

Showing the most recent 100 of 119 total refreshes for this CVE.

  1. 2026-07-22 14:08 UTCEPSS rescore
  2. 2026-07-22 14:07 UTCEPSS rescore
  3. 2026-07-21 15:24 UTCEPSS rescore
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  14. 2026-07-14 06:55 UTCOSV refresh
  15. 2026-07-13 22:29 UTCEPSS rescore
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  1. 2026-07-06 02:23 UTCEPSS rescore
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  15. 2026-06-26 04:46 UTCOSV refresh
  16. 2026-06-25 13:49 UTCEPSS rescore
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  23. 2026-06-21 01:59 UTCEPSS rescore
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  25. 2026-06-19 19:25 UTCEPSS rescore
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  27. 2026-06-18 17:52 UTCEPSS rescore
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  40. 2026-06-10 13:22 UTCEPSS rescore
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  42. 2026-06-08 15:49 UTCEG score recompute▲ 9.30
  43. 2026-06-08 14:16 UTCEPSS rescore
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  45. 2026-06-07 15:24 UTCEPSS rescore
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  47. 2026-06-06 13:47 UTCEPSS rescore
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  53. 2026-06-04 13:12 UTCEPSS rescore
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  55. 2026-06-02 21:10 UTCOSV refresh
  56. 2026-06-02 20:12 UTCEPSS rescore
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  58. 2026-06-01 13:51 UTCEPSS rescore
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  73. 2026-05-26 13:44 UTCEPSS rescore
  74. 2026-05-26 13:43 UTCEPSS rescore
  75. 2026-05-26 13:43 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2025-54883?
CVE-2025-54883 is a critical vulnerability published on August 6, 2025. Vision UI is a collection of enterprise-grade, dependency-free modules for modern web projects. In versions 1.4.0 and below, the getSecureRandomInt function in security-kit versions prior to 3.5.0 (packaged in Vision-ui <= 1.4.0) contains a critical cryptographic weakness. Due to a silent 32-bit…
When was CVE-2025-54883 disclosed?
CVE-2025-54883 was first published in the National Vulnerability Database on August 6, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-54883 actively exploited?
CVE-2025-54883 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 29.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-54883?
CVE-2025-54883 has a CVSS v3 base score of 9.3 (NVD).
How do I remediate CVE-2025-54883?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-54883, 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.

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