What’s Vulnerable › Vulnerabilities

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

• Severity: low (CVSS 2.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-08 · updated 2026-07-23
• Weakness: CWE-327

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 products

• yoanbernabeu grepai: 0.1, 0.2, 0.3, 0.4, 0.5, 0.6 (+29)

References

• https://github.com/yoanbernabeu/grepai/
• https://github.com/yoanbernabeu/grepai/issues/249
• https://github.com/yoanbernabeu/grepai/pull/250
• https://vuldb.com/cve/CVE-2026-11481
• https://vuldb.com/submit/833997
• https://vuldb.com/vuln/369101
• https://vuldb.com/vuln/369101/cti

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