CVE-2026-11481
yoanbernabeu grepai Postgres Embedding Cache chunker.go PostgresStore.LookupByContentHash weak hash
- Published
- Updated
- Reserved
- Assigned by
- VulDB
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Low2.0 | CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P |
| VulDBCNA (assigner) | 3.1 | Low2.5 | 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 |
| VulDBCNA (assigner) | 3.0 | Low2.5 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R |
| VulDBCNA (assigner) | 2.0 | Low1.0 | AV:L/AC:H/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR |
| NVDNVD · Deferred | 4.0 | Low1.1 | CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.08% · top 100% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.0.
Weakness
Affected products
- affected 0.1
- affected 0.2
- affected 0.3
- affected 0.4
- affected 0.5
- affected 0.6
- affected 0.7
- affected 0.8
- affected 0.9
- affected 0.10
- affected 0.11
- affected 0.12
- affected 0.13
- affected 0.14
- affected 0.15
- affected 0.16
- affected 0.17
- affected 0.18
- affected 0.19
- affected 0.20
- affected 0.21
- affected 0.22
- affected 0.23
- affected 0.24
- affected 0.25
- affected 0.26
- affected 0.27
- affected 0.28
- affected 0.29
- affected 0.30
- affected 0.31
- affected 0.32
- affected 0.33
- affected 0.34
- affected 0.35.0
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gogithub.com/yoanbernabeu/grepaiGHSA-q76h-p6jh-9rw3 (opens in a new tab)
References (7)
- VDB-369101 | yoanbernabeu grepai Postgres Embedding Cache chunker.go PostgresStore.LookupByContentHash weak hash (opens in a new tab)vdb-entrytechnical-description
- VDB-369101 | CTI Indicators (IOB, IOC, TTP, IOA) (opens in a new tab)signaturepermissions-required
- CVE-2026-11481 | CVE Analysis and Report (opens in a new tab)third-party-advisory
- Submit #833997 | yoanbernabeu grepai v0.35.0-1-gf6dbf8d Cache Poisoning (opens in a new tab)third-party-advisory
- https://github.com/yoanbernabeu/grepai/issues/249 (opens in a new tab)exploitissue-tracking
- https://github.com/yoanbernabeu/grepai/pull/250 (opens in a new tab)issue-trackingpatch
- https://github.com/yoanbernabeu/grepai/ (opens in a new tab)product
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-q76h-p6jh-9rw3 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-11481)Record last updated .