CVE-2025-27611
highpriority · track · 0EPSS 0.004 · 39 %ileEUUSEPSS · scored 2026-10-27
base-x is a base encoder and decoder of any given alphabet using bitcoin style leading zero compression. Versions 4.0.0, 5.0.0, and all prior to 3.0.11, are vulnerable to attackers potentially deceiving users into sending funds to an unintended address. This issue has been patched in versions 3.0.11, 4.0.1, and 5.0.1.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–8.7
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (6)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- GHSA-xq7p-g2vc-g82pHomograph attack allows Unicode lookalike characters to bypass validation.2025-04-30ghsa · osvUS
### Impact Attackers can deceive users into sending funds to an unintended address. ### Patches https://github.com/cryptocoinjs/base-x/pull/86
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://github.com/cryptocoinjs/base-x/pull/86cnnvd
- https://github.com/cryptocoinjs/base-x/security/advisories/GHSA-xq7p-g2vc-g82pcnnvd
- https://github.com/cryptocoinjs/base-x/tagsPatchcnnvd
- https://vigilance.fr/vulnerability/base-x-spoofing-via-Homograph-47615cnnvd
- https://github.com/cryptocoinjs/base-x/pull/86enisa_euvd
- https://github.com/cryptocoinjs/base-x/security/advisories/GHSA-xq7p-g2vc-g82penisa_euvd
- https://github.com/cryptocoinjs/base-x/pull/86nvd
- https://github.com/cryptocoinjs/base-x/security/advisories/GHSA-xq7p-g2vc-g82pnvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan