Vulnerability · Published Jun 8, 2026 · Assigned by VulDB

CVE-2026-11481yoanbernabeu grepai Postgres Embedding Cache chunker.go PostgresStore.LookupByContentHash weak hash

Low 2.5

In plain English

A low-severity broken cryptography in grepai from yoanbernabeu. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 0% of all known vulnerabilities).

Severity (CVSS 3.1)2.5Low
Exploit odds (30 days)<0.1%top 99.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/yoanbernabeu/grepaino fix listedGHSA-q76h-p6jh-9rw3
Gogithub.com/yoanbernabeu/grepaino fix listedGO-2026-6128

Affected products (as reported)

VendorProductVersions
yoanbernabeu grepai 0.10.20.30.40.50.60.70.8

Weakness: CWE-328, CWE-327 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R

References