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Langfuse update prevents possible data exposure
published 1 month ago
Summary
Earlier versions of the Langfuse application could be tricked into revealing or altering information they store. The problem has been corrected in the newer releases, so upgrading to version 3.208.0‑r1 or later removes the risk. Apply the update as soon as possible to keep your data safe.
What to do
- Update cleanstart langfuse to version 3.208.0-r1.
- Update cleanstart langfuse to version 3.213.0-r1.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| CleanStart | cleanstart | langfuse |
< 3.208.0-r1 < 3.213.0-r1 Fix: upgrade to 3.208.0-r1
|
Original advisory text
Security fix for CVE-2026-64649 applied in: langfuse 3.208.0-r1, langfuse 3.213.0-r1
CVE-2026-64649 affects multiple packages. This issue is resolved in later releases. See references for individual vulnerability details.
Timeline
Published18 Sep 2026
Updated18 Sep 2026
First seen18 Sep 2026
Sources
CLEANSTART-2026-KK18205 · OSV
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