CVE-2026-15535 AkariAsai self-rag retrieval_lm index.py Indexer.deserialize_from deserialization
Remote attackers can execute arbitrary code via unsafe deserialization in the Indexer.deserialize_from function of the self-rag library.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15535?
CVE-2026-15535 is a medium-severity unsafe deserialization vulnerability in AkariAsai self-rag, published on 13 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Which versions are affected by CVE-2026-15535?
How do I fix CVE-2026-15535?
No fix has been published for CVE-2026-15535 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-15535 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15535 exists.
Sources
Also known as GHSA-xp65-m377-m42w.