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CVE-2026-11481 yoanbernabeu CVE debrief

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.

Vendor
yoanbernabeu
Product
grepai
CVSS
LOW 1.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-08
Original CVE updated
2026-07-23
Advisory published
2026-06-08
Advisory updated
2026-07-23

Who should care

Users of yoanbernabeu grepai up to 0.35.0

Technical summary

The vulnerability is in the PostgresStore.LookupByContentHash function in indexer/chunker.go, allowing for weak hash usage via manipulation of the content_hash argument.

Defensive priority

LOW

Recommended defensive actions

  • Update to version beyond 0.35.0 if available
  • Review and apply patches as they become available

Evidence notes

The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11481 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11481

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-11481 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11481

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.