HOMEVULNERABILITIESCVE-2025-26622
HIGH

CVE-2025-26622

CWE-682Published: February 21, 2025· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

vyper is a Pythonic Smart Contract Language for the EVM. Vyper `sqrt()` builtin uses the babylonian method to calculate square roots of decimals. Unfortunately, improper handling of the oscillating final states may lead to sqrt incorrectly returning rounded up results. This issue is being addressed and a fix is expected in version 0.4.1. Users are advised to upgrade as soon as the patched release is available. There are no known workarounds for this vulnerability.

NVD Source

Technical Analysis

CVE-2025-26622 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Vendors & Products

vyperlang1 product(s)
vyper
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/vyperlang/vyper/pull/4486
ADVISORYhttps://github.com/vyperlang/vyper/security/advisories/GHSA-2p94-8669-xg86

All References (2)

→
https://github.com/vyperlang/vyper/pull/4486Issue Tracking · Patch
→
https://github.com/vyperlang/vyper/security/advisories/GHSA-2p94-8669-xg86Vendor Advisory

Quick Facts

CVE IDCVE-2025-26622
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-682
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 21, 2025

Related CVEs (CWE-682)

CVE-2024-36736
9.8
CVE-2026-1229
9.8
CVE-2018-8319
9.8
CVE-2021-44847
9.8
CVE-2020-0221
9.8
CVE-2022-30600
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2025-26622 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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