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CVE-2026-83803

Sentry: Unsafe pickle deserialization in Relocation Feature

CVSS 4.0 7.7 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-83803

Published

Sentry is an error tracking and performance monitoring tool. From 23.11.0 until 26.7.0, Sentry instances with the relocation feature enabled unsafely deserialize a legacy database field while importing a user-supplied relocation archive. An authenticated user can craft an archive that causes arbitrary code execution in the import worker process. Self-hosted installations using the default configuration are not affected because the relocation feature is disabled by default. This issue is fixed in version 26.7.0.

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Affected versions, risk and source history

Exploitation and risk

Source status

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cve-program · CVE-2026-83803

Published

Sentry: Unsafe pickle deserialization in Relocation Feature

Sentry is an error tracking and performance monitoring tool. From 23.11.0 until 26.7.0, Sentry instances with the relocation feature enabled unsafely deserialize a legacy database field while importing a user-supplied relocation archive. An authenticated user can craft an archive that causes arbitrary code execution in the import worker process. Self-hosted installations using the default configuration are not affected because the relocation feature is disabled by default. This issue is fixed in version 26.7.0.

Source published
22 Sep 2026 16:24:13 UTC
Source modified
22 Sep 2026 17:43:35 UTC
Saved here
23 Oct 2026 15:48:27 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 4.0 · 7.7 CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

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Sources read 12 Nov 21:45 UTC · 273 of 275 readable · 271 fully read · documentation 469/469 current

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