chore(deps): update next to 15.5.13 [SECURITY]#1584
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chore(deps): update next to 15.5.13 [SECURITY]#1584renovate[bot] wants to merge 1 commit intomasterfrom
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- Updates next from 15.5.12 to 15.5.13 - Release notes:
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This PR contains the following updates:
^15.5.12→^15.5.13GitHub Vulnerability Alerts
CVE-2026-29057
Summary
When Next.js rewrites proxy traffic to an external backend, a crafted
DELETE/OPTIONSrequest usingTransfer-Encoding: chunkedcould trigger request boundary disagreement between the proxy and backend. This could allow request smuggling through rewritten routes.Impact
An attacker could smuggle a second request to unintended backend routes (for example, internal/admin endpoints), bypassing assumptions that only the configured rewrite destination/path is reachable. This does not impact applications hosted on providers that handle rewrites at the CDN level, such as Vercel.
Patches
The vulnerability originated in an upstream library vendored by Next.js. It is fixed by updating that dependency’s behavior so
content-length: 0is added only when bothcontent-lengthandtransfer-encodingare absent, andtransfer-encodingis no longer removed in that code path.Workarounds
If upgrade is not immediately possible:
DELETE/OPTIONSrequests on rewritten routes at your edge/proxy.Release Notes
vercel/next.js (next)
v15.5.13Compare Source
Configuration
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