Vulnerability · Published Jul 13, 2026 · Assigned by VulDB
CVE-2026-15535AkariAsai self-rag retrieval_lm index.py Indexer.deserialize_from deserialization
Medium 6.3
In plain English
A medium-severity unsafe deserialization in self-rag from AkariAsai. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).
Official description
A vulnerability was determined in AkariAsai self-rag up to 1fcdc420e48f50a7d7ab1ece5494221b93252e99. Affected by this issue is the function Indexer.deserialize_from of the file retrieval_lm/src/index.py of the component retrieval_lm. Executing a manipulation of the argument index_meta.faiss can lead to deserialization. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. The project was informed of the problem early through an issue report but has not responded yet.
Affected products (as reported)
Weakness: CWE-502, CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-377885 | AkariAsai self-rag retrieval_lm index.py Indexer.deserialize_from deserialization vdb-entry, technical-description
- VDB-377885 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-15535 | CVE Analysis and Report third-party-advisory
- Submit #854999 | AkariAsai self-rag 1fcdc420e48f50a7d7ab1ece5494221b93252e99 Unsafe Deserialization / Integrity Bypass third-party-advisory
- https://github.com/AkariAsai/self-rag/issues/105 exploit, issue-tracking
- https://github.com/AkariAsai/self-rag/pull/106 issue-tracking, patch
- https://github.com/AkariAsai/self-rag/ product