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Force brotli to 1.2.1 - #6640
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Flor Chacón (florelis)
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## 📖 Description CP of #6640 Force brotli (used by cpprestsdk) to 1.2.1 for https://nvd.nist.gov/vuln/detail/cve-2026-111497 This only affects the Store by default, and with certificate pinning happening before any HTTP protocol transfer, it should be a non-issue for most (assuming that the Store endpoints are not compromised of course, but that is a ***MUCH*** larger issue if it happens). Beyond that, when you add a custom REST source you are placing a large amount of trust in the other party as any install or update runs effectively arbitrary code. This vulnerability could let that REST source potentially run arbitrary code because you contacted it at all. You should never add a source that you don't trust.
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📖 Description
Force brotli (used by cpprestsdk) to 1.2.1 for https://nvd.nist.gov/vuln/detail/cve-2026-111497
This only affects the Store by default, and with certificate pinning happening before any HTTP protocol transfer, it should be a non-issue for most (assuming that the Store endpoints are not compromised of course, but that is a MUCH larger issue if it happens).
Beyond that, when you add a custom REST source you are placing a large amount of trust in the other party as any install or update runs effectively arbitrary code. This vulnerability could let that REST source potentially run arbitrary code because you contacted it at all. You should never add a source that you don't trust.
Microsoft Reviewers: Open in CodeFlow