CVE-2026-45829

criticalpriority · track · 15EPSS 0.151 · 97 %ileexploit · PoCEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · PoC

Likely / severe?

15.1% (97th) EPSS

CVSS 10 · critical

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-26

A pre-authentication, code injection vulnerability in version 1.0.0 or later of the ChromaDB Python project allows an unauthenticated attacker to run arbitrary code on the server by sending a malicious model repository and trust_remote_code set to true in the /api/v2/tenants/{tenant}/databases/{db}/collections endpoint.

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.110criticalAV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondaryexploitability 3.9 · impact 6

v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · OSV

v4.010criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:Hsecondary · ENISA EU

v4.010criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/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:Xsecondary

v4.09.3criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-502USCWE-502USCWE-94USCWE-94USCWE-94US

exploits (2)

Public proof-of-concept and weaponised exploit code.

0xBlackash/CVE-2026-45829CVE-2026-45829PoC · poc_in_github
fevar54/FULL-ANALYSIS---CVE-2026-45829-ChromaDB-Analisis completo y PoC de CVE-2026-45829 en ChromaDB.PoC · poc_in_github

affected products (3)

Products and version ranges known to be affected.

Chroma ChromaDB≤ 1.0.0 ≤*enisa_euvdEU
Сообщество свободного программного обеспечения ChromaDBall versionsfstec_bduRU
PyPI chromadb1.0.0 → 1.5.9osvUSpkg:pypi/chromadb

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-f4j7-r4q5-qw2cChromaDB Python project has a pre-authentication code injection vulnerability2026-05-18ghsa · osvUS
A pre-authentication, code injection vulnerability in version 1.0.0 or later of the ChromaDB Python project allows an unauthenticated attacker to run arbitrary code on the server by sending a malicious model repository and trust_remote_code set to true in the /api/v2/tenants/{tenant}/databases/{db}/collections endpoint.
PYSEC-2026-311ChromaDB Python project has a pre-authentication code injection vulnerability2026-06-29vendor · osvUS
A pre-authentication, code injection vulnerability in version 1.0.0 or later of the ChromaDB Python project allows an unauthenticated attacker to run arbitrary code on the server by sending a malicious model repository and trust_remote_code set to true in the /api/v2/tenants/{tenant}/databases/{db}/collections endpoint.

also known as (7)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv NVD CVE.org MITRE

published 2026-05-18modified 2026-10-26

references (12)

External citations — patches, advisories, analysis.

scry

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