CVE-2026-11481 json
yoanbernabeu grepai Postgres Embedding Cache chunker.go PostgresStore.LookupByContentHash weak hash
published 2026-06-08 5 mo ago modified 2026-08-18 2 mo ago also GHSA-q76h-p6jh-9rw3 , GO-2026-6128 , EUVD-2026-35012
- cvss
- 2.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 0%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- govulncheck-vulndb SLES for SAP applications 16.0, SLES 16.0 0.0.20260827T195228-160000.1.1
suse advisories SUSE-SU-2026:23625-1
- govulncheck-vulndb openSUSE Leap 16.0 0.0.20260827T195228-160000.1.1
opensuse advisories openSUSE-SU-2026:21761-1
- github.com/yoanbernabeu/grepai#250 pull request
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 5 mo ago
Exploit prediction
0.08% chance of exploitation in the next 30 days, higher than 0% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/yoanbernabeu/grepai/issues/249 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 2.0 | 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 |
| CNA | 3.1 | 2.5 | 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 |
| CNA | 3.0 | 2.5 | 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 |
| CNA | 2.0 | 1.0 | AV:L/AC:H/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR |
| CNA | 4.0 | 1.1 | 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 |
| CNA | 3.1 | 2.5 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N |
| CNA | 2.0 | 1.0 | AV:L/AC:H/Au:S/C:P/I:N/A:N |
| GitHub | 3.1 | 2.5 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/yoanbernabeu/grepai | <=0.35.0 all versions |
no fix listed |
Affected products
- yoanbernabeu grepai
Classification
References
-
github.com
/yoanbernabeu/grepai/pull/250
issue-tracking, patch, web
-
github.com
/yoanbernabeu/grepai/issues/249
exploit, issue-tracking, web, report
-
vuldb.com
/vuln/369101
vdb-entry, technical-description, web
-
vuldb.com
/vuln/369101/cti
signature, permissions-required, web
-
vuldb.com
/cve/CVE-2026-11481
third-party-advisory, web
-
vuldb.com
/submit/833997
third-party-advisory, web
-
github.com
/yoanbernabeu/grepai/
product
-
nvd.nist.gov
/vuln/detail/CVE-2026-11481
advisory
-
github.com
/yoanbernabeu/grepai
package
-
github.com
/advisories/GHSA-q76h-p6jh-9rw3
advisory
Sources
- CVE List CVE-2026-11481
- GitHub Advisory GHSA-q76h-p6jh-9rw3
- NVD CVE-2026-11481
- OSV GO-2026-6128
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.