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High 7.5Published Jan 28, 2026

CVE-2025-61726Memory exhaustion in query parameter parsing in net/url

Updated under an hour ago ()

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It affects Go standard library net/url and 59 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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The net/url package does not set a limit on the number of query parameters in a query. While the maximum size of query parameters in URLs is generally limited by the maximum request header size, the net/http.Request.ParseForm method can parse large URL-encoded forms. Parsing a large form containing many unique query parameters can cause excessive memory consumption.

CVSS
7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-400, CWE-770
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Go
NVD analysis
Modified
Record last updated
Sep 18, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Go standard library net/url
go_standard_library:net_url (from the name)
before 1.24.12; from 1.25.0 before 1.25.6
CNA record
from 4.1.1-2 not affected
CISA ADP
Red Hat HawtIO HawtIO 4.3.1
redhat:apache_camel_hawtio
from operator-container not affected
CISA ADP
from 0:1.6.3-4.el8ap not affected
CISA ADP
from 0:1.25.7-1.el10_1 not affected
CISA ADP
from 2:1.39.8-1.el10_0 not affected
CISA ADP
from 1:0.2.4-3.el7_9 not affected
CISA ADP
from 8020020260227115231.02f7cb7a not affected
CISA ADP
from 8040020260227112052.5081a262 not affected
CISA ADP
from 8060020260515174849.ad008a3a not affected
CISA ADP

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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