A lack of authorization validation in version 0.4.17 or later of the ChromaDB Python project allows any authenticated users to arbitrarily read, write, update, or delete data in any tenant's collection regardless of which tenant they belong to.
CVE-2026-45830
Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-12. NVD baseline CVSS 8.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.8
- EG Score
- 8.8(high)
- EPSS
- 26.5%
- KEV
- Not listed
Published
June 12, 2026
Last Modified
June 30, 2026
Advisory Details (1)
Auto-updated Jun 12, 2026HiddenLayer SAI Security Advisory | ChromaDB
https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadbVendor Advisories for CVE-2026-45830(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 30× in last 7d / 122× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 122 total refreshes for this CVE.
- 2026-07-07 01:13 UTCEG score recompute
- 2026-07-07 01:13 UTCGHSA enrichment
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-06 00:41 UTCEG score recompute
- 2026-07-06 00:40 UTCGHSA enrichment
- 2026-07-05 12:05 UTCEG score recompute
- 2026-07-05 12:05 UTCGHSA enrichment
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-04 23:30 UTCEG score recompute
- 2026-07-04 23:30 UTCGHSA enrichment
- 2026-07-04 10:56 UTCEG score recompute
- 2026-07-04 10:56 UTCGHSA enrichment
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-03 20:20 UTCEG score recompute
- 2026-07-03 20:20 UTCGHSA enrichment
- 2026-07-03 07:47 UTCEG score recompute
- 2026-07-03 07:46 UTCGHSA enrichment
- 2026-07-02 19:11 UTCEG score recompute
- 2026-07-02 19:11 UTCGHSA enrichment
- 2026-07-02 06:37 UTCEG score recompute
- 2026-07-02 06:37 UTCGHSA enrichment
- 2026-07-01 18:02 UTCEG score recompute
- 2026-07-01 18:02 UTCGHSA enrichment
- 2026-07-01 15:07 UTCEPSS rescore
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- 2026-07-01 05:28 UTCEG score recompute
- 2026-07-01 05:28 UTCGHSA enrichment
- 2026-06-30 23:22 UTCEPSS rescore
- 2026-06-30 16:47 UTCEG score recompute
- 2026-06-30 16:47 UTCGHSA enrichment
- 2026-06-30 04:12 UTCEG score recompute
- 2026-06-30 04:12 UTCGHSA enrichment
- 2026-06-29 15:33 UTCEG score recompute
- 2026-06-29 15:33 UTCGHSA enrichment
- 2026-06-29 14:06 UTCEPSS rescore
- 2026-06-29 14:06 UTCEPSS rescore
- 2026-06-29 02:59 UTCEG score recompute
- 2026-06-29 02:59 UTCGHSA enrichment
- 2026-06-28 14:25 UTCEG score recompute
- 2026-06-28 14:25 UTCGHSA enrichment
- 2026-06-28 14:07 UTCEPSS rescore
- 2026-06-28 04:56 UTCEPSS rescore
- 2026-06-28 04:56 UTCEPSS rescore
- 2026-06-28 01:51 UTCEG score recompute
- 2026-06-28 01:51 UTCGHSA enrichment
- 2026-06-27 13:17 UTCEG score recompute
- 2026-06-27 13:17 UTCGHSA enrichment
- 2026-06-27 03:08 UTCEPSS rescore
- 2026-06-27 00:43 UTCEG score recompute
- 2026-06-27 00:43 UTCGHSA enrichment
- 2026-06-26 12:06 UTCEG score recompute
- 2026-06-26 12:06 UTCGHSA enrichment
- 2026-06-25 23:03 UTCEG score recompute
- 2026-06-25 23:03 UTCGHSA enrichment
- 2026-06-25 13:49 UTCEPSS rescore
- 2026-06-25 10:28 UTCEG score recompute
- 2026-06-25 10:28 UTCGHSA enrichment
- 2026-06-24 21:54 UTCEG score recompute
- 2026-06-24 21:54 UTCGHSA enrichment
- 2026-06-24 14:05 UTCEPSS rescore
- 2026-06-24 09:20 UTCEG score recompute
- 2026-06-24 09:20 UTCGHSA enrichment
- 2026-06-23 21:33 UTCEPSS rescore
- 2026-06-23 21:33 UTCEPSS rescore
- 2026-06-23 20:46 UTCEG score recompute
- 2026-06-23 20:46 UTCGHSA enrichment
- 2026-06-23 08:08 UTCEG score recompute
- 2026-06-23 08:08 UTCGHSA enrichment
- 2026-06-22 18:07 UTCEG score recompute
- 2026-06-22 18:07 UTCGHSA enrichment
- 2026-06-22 14:25 UTCEPSS rescore
- 2026-06-22 14:25 UTCEPSS rescore
- 2026-06-22 05:24 UTCEG score recompute
- 2026-06-22 05:23 UTCGHSA enrichment
- 2026-06-21 16:48 UTCEG score recompute
- 2026-06-21 16:47 UTCGHSA enrichment
- 2026-06-21 14:56 UTCEPSS rescore
- 2026-06-21 14:56 UTCEPSS rescore
- 2026-06-21 03:42 UTCEG score recompute
- 2026-06-21 03:42 UTCGHSA enrichment
- 2026-06-21 01:59 UTCEPSS rescore
- 2026-06-21 01:59 UTCEPSS rescore
- 2026-06-20 15:07 UTCEG score recompute
- 2026-06-20 15:07 UTCGHSA enrichment
- 2026-06-20 02:25 UTCEG score recompute
- 2026-06-20 02:25 UTCGHSA enrichment
- 2026-06-19 19:26 UTCEPSS rescore
- 2026-06-19 19:26 UTCEPSS rescore
- 2026-06-19 13:48 UTCEG score recompute
- 2026-06-19 13:47 UTCGHSA enrichment
- 2026-06-19 01:11 UTCEG score recompute
- 2026-06-19 01:11 UTCGHSA enrichment
- 2026-06-18 17:52 UTCEPSS rescore
- 2026-06-18 17:52 UTCEPSS rescore
- 2026-06-18 12:36 UTCEG score recompute
- 2026-06-18 12:35 UTCGHSA enrichment
- 2026-06-17 23:55 UTCEG score recompute
- 2026-06-17 23:55 UTCGHSA enrichment
- 2026-06-17 17:53 UTCEPSS rescore
- 2026-06-17 11:21 UTCEG score recompute
Related CVEs(same CWE)
Same CWE
10 shownCWE-266 · CWE-639
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- CVE-2017-20223EG 9.8CRITICAL
- CVE-2019-25487EG 9.8EPSS 94%CRITICAL
- CVE-2019-25249EG 9.8CRITICAL
- CVE-2019-25235EG 9.8CRITICAL
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- CVE-2019-15913EG 9.8CRITICAL
- CVE-2019-16340EG 9.8EPSS 97%CRITICAL
- CVE-2019-13360EG 9.8EPSS 98%CRITICAL
Frequently asked(5)
What is CVE-2026-45830?
When was CVE-2026-45830 disclosed?
Is CVE-2026-45830 actively exploited?
What is the CVSS score of CVE-2026-45830?
How do I remediate CVE-2026-45830?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-45830
Is Your Infrastructure Affected by CVE-2026-45830?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.