CVE-2026-11481 yoanbernabeu grepai Postgres Embedding Cache chunker.go PostgresStore.LookupByContentHash weak hash
Local attackers can exploit weak hashing in the Postgres embedding cache to bypass content integrity checks or access cached data.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-11481?
CVE-2026-11481 is a low-severity vulnerability in yoanbernabeu grepai, published on 8 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability was determined in yoanbernabeu grepai up to 0.35.0. The affected element is the function PostgresStore.LookupByContentHash of the file indexer/chunker.go of the component Postgres Embedding Cache. Executing a manipulation of the argument content_hash can lead to use of weak hash. The attack needs to be launched locally. The attack requires a high level of complexity. The exploitability is described as difficult. The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance.
Which versions are affected by CVE-2026-11481?
3 open source packages ship an affected version, including github.com/yoanbernabeu/grepai.
| Package | Affected | Fixed in |
|---|---|---|
github.com/yoanbernabeu/grepai Go | All versions | None |
github.com/yoanbernabeu/grepai Go | All versions to 0.35.0 | None |
github.com/yoanbernabeu/grepai Go | All versions to 0.35.0 | None |
How do I fix CVE-2026-11481?
Apply the vendor's patch.
Is CVE-2026-11481 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-11481 exists.
Sources
Also known as GHSA-q76h-p6jh-9rw3, GO-2026-6128.