chore: update security updates [security]#87
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ℹ️ Artifact update noticeFile name: go.modIn order to perform the update(s) described in the table above, Renovate ran the
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This PR contains the following updates:
1.26.2→1.26.3v0.48.0→v0.53.0Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net
BIT-golang-2026-33814 / CVE-2026-33814 / GO-2026-4918
More information
Details
When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Panic in Dial and LookupPort when handling NUL byte on Windows in net
BIT-golang-2026-39836 / CVE-2026-39836 / GO-2026-4971
More information
Details
The Dial and LookupPort functions panic on Windows when provided with an input containing a NUL (0).
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
ReverseProxy forwards queries with more than urlmaxqueryparams parameters in net/http/httputil
BIT-golang-2026-39825 / CVE-2026-39825 / GO-2026-4976
More information
Details
ReverseProxy can forward queries containing parameters not visible to Rewrite functions.
When used with a Rewrite function, or a Director function which parses query parameters, ReverseProxy sanitizes the forwarded request to remove query parameters which are not parsed by url.ParseQuery. ReverseProxy does not take ParseQuery's limit on the total number of query parameters (controlled by GODEBUG=urlmaxqueryparams=N) into account. This can permit ReverseProxy to forward a request containing a query parameter that is not visible to the Rewrite function.
For example, the query "a1=x&a2=x&...&a10000=x&hidden=y" can forward the parameter "hidden=y" while hiding it from the proxy's Rewrite function.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Quadratic string concatenation in consumePhrase in net/mail
BIT-golang-2026-42499 / CVE-2026-42499 / GO-2026-4977
More information
Details
Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Escaper bypass leads to XSS in html/template
BIT-golang-2026-39826 / CVE-2026-39826 / GO-2026-4980
More information
Details
If a trusted template author were to write a <script> tag containing an empty 'type' attribute or a 'type' attribute with an ASCII whitespace, the execution of the template would incorrectly escape any data passed into the <script> block.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Crash when handling long CNAME response in net
BIT-golang-2026-33811 / CVE-2026-33811 / GO-2026-4981
More information
Details
When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Bypass of meta content URL escaping causes XSS in html/template
BIT-golang-2026-39823 / CVE-2026-39823 / GO-2026-4982
More information
Details
CVE-2026-27142 fixed a vulnerability in which URLs were not correctly escaped inside of a tag's attribute. If the URL content were to insert ASCII whitespaces around the '=' rune inside of the attribute, the escaper would fail to similarly escape it, leading to XSS.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Quadratic string concatentation in consumeComment in net/mail
BIT-golang-2026-39820 / CVE-2026-39820 / GO-2026-4986
More information
Details
Well-crafted inputs reaching ParseAddress, ParseAddressList, and ParseDate were able to trigger excessive CPU exhaustion and memory allocations.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Release Notes
golang/go (go)
v1.26.3Configuration
📅 Schedule: (in timezone UTC)
🚦 Automerge: Enabled.
♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.
👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.
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