An input validation issue in the asset proxy in GitLab EE, affecting all versions from 12.3 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1, allowed an authenticated attacker to craft image urls which bypass the asset proxy.
CVE-2023-3906
Score 3.5 from GitHub Security Advisory (severity: LOW) published 2023-09-29. NVD baseline CVSS 3.5; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 3.5
- EG Score
- 3.5(medium)
- EPSS
- 38.2%
- KEV
- Not listed
Published
September 29, 2023
Last Modified
May 5, 2025
References (4)
- cve@gitlabhttps://gitlab.com/gitlab-org/gitlab/-/issues/419213
- cve@gitlabhttps://hackerone.com/reports/2071411
- af854a3a-2127-422b-91ae-364da2661108https://gitlab.com/gitlab-org/gitlab/-/issues/419213
- af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/2071411
Vendor Advisories for CVE-2023-3906(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(3)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 52× 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.
- 2026-07-06 16:26 UTCEPSS rescore
- 2026-07-06 16:26 UTCEPSS rescore
- 2026-07-06 02:22 UTCEPSS rescore
- 2026-07-05 02:29 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-01 15:05 UTCEPSS rescore
- 2026-06-30 23:21 UTCEPSS rescore
- 2026-06-30 23:21 UTCEPSS rescore
- 2026-06-29 14:05 UTCEPSS rescore
- 2026-06-28 14:06 UTCEPSS rescore
- 2026-06-28 14:06 UTCEPSS rescore
- 2026-06-28 04:55 UTCEPSS rescore
- 2026-06-28 04:55 UTCEPSS rescore
- 2026-06-27 09:04 UTCOSV refresh
- 2026-06-27 03:07 UTCEPSS rescore
- 2026-06-27 03:07 UTCEPSS rescore
- 2026-06-25 13:48 UTCEPSS rescore
- 2026-06-25 13:48 UTCEPSS rescore
- 2026-06-24 14:04 UTCEPSS rescore
- 2026-06-24 14:04 UTCEPSS rescore
- 2026-06-23 21:31 UTCEPSS rescore
- 2026-06-23 21:31 UTCEPSS rescore
- 2026-06-22 14:24 UTCEPSS rescore
- 2026-06-22 14:24 UTCEPSS rescore
- 2026-06-21 14:55 UTCEPSS rescore
Show 57 moreShow fewer
- 2026-06-21 14:55 UTCEPSS rescore
- 2026-06-21 01:58 UTCEPSS rescore
- 2026-06-21 01:58 UTCEPSS rescore
- 2026-06-19 19:24 UTCEPSS rescore
- 2026-06-19 19:24 UTCEPSS rescore
- 2026-06-18 17:51 UTCEPSS rescore
- 2026-06-17 17:51 UTCEPSS rescore
- 2026-06-17 17:51 UTCEPSS rescore
- 2026-06-16 17:51 UTCEPSS rescore
- 2026-06-16 17:51 UTCEPSS rescore
- 2026-06-15 17:47 UTCEPSS rescore
- 2026-06-15 17:47 UTCEPSS rescore
- 2026-06-14 23:16 UTCEPSS rescore
- 2026-06-13 22:59 UTCEPSS rescore
- 2026-06-13 22:59 UTCEPSS rescore
- 2026-06-12 23:10 UTCEPSS rescore
- 2026-06-12 23:10 UTCEPSS rescore
- 2026-06-11 13:59 UTCEPSS rescore
- 2026-06-11 13:59 UTCEPSS rescore
- 2026-06-10 22:17 UTCEPSS rescore
- 2026-06-10 13:21 UTCEPSS rescore
- 2026-06-10 13:21 UTCEPSS rescore
- 2026-06-09 19:47 UTCOSV refresh
- 2026-06-08 14:16 UTCEPSS rescore
- 2026-06-08 14:16 UTCEPSS rescore
- 2026-06-07 15:23 UTCEPSS rescore
- 2026-06-07 15:23 UTCEPSS rescore
- 2026-06-06 13:46 UTCEPSS rescore
- 2026-06-06 13:46 UTCEPSS rescore
- 2026-06-05 22:46 UTCEPSS rescore
- 2026-06-05 22:46 UTCEPSS rescore
- 2026-06-05 06:09 UTCEPSS rescore
- 2026-06-05 06:09 UTCEPSS rescore
- 2026-06-05 06:09 UTCEPSS rescore
- 2026-06-04 13:11 UTCEPSS rescore
- 2026-06-04 13:11 UTCEPSS rescore
- 2026-06-02 20:12 UTCEPSS rescore
- 2026-06-02 20:12 UTCEPSS rescore
- 2026-06-01 13:51 UTCEPSS rescore
- 2026-06-01 13:51 UTCEPSS rescore
- 2026-05-31 22:30 UTCEPSS rescore
- 2026-05-31 22:29 UTCEPSS rescore
- 2026-05-31 00:15 UTCEPSS rescore
- 2026-05-31 00:15 UTCEPSS rescore
- 2026-05-29 13:43 UTCEPSS rescore
- 2026-05-29 13:43 UTCEPSS rescore
- 2026-05-28 13:44 UTCEPSS rescore
- 2026-05-28 13:43 UTCEPSS rescore
- 2026-05-27 13:39 UTCEPSS rescore
- 2026-05-27 13:39 UTCEPSS rescore
- 2026-05-26 13:43 UTCEPSS rescore
- 2026-05-26 13:43 UTCEPSS rescore
- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-24 16:51 UTCEG score recompute
- 2026-05-24 16:51 UTCGHSA enrichment
Related CVEs(same CWE)
Same CWE
10 shownCWE-20
- CVE-2002-2444EG 9.8CRITICAL
- CVE-2005-0116NVD 0.0EG 9.0EPSS 99%NONE
- CVE-2002-1359NVD 0.0EG 9.0EPSS 100%NONE
- CVE-2000-0380NVD 0.0EG 9.0EPSS 98%NONE
- CVE-2000-0258EG 7.5EPSS 97%HIGH
- CVE-2004-2771EG 0.0EPSS 93%NONE
- CVE-2002-2443EG 0.0EPSS 93%NONE
- CVE-2002-2433EG 0.0NONE
- CVE-2003-1569EG 0.0NONE
- CVE-2003-1568EG 0.0NONE
Frequently asked(5)
What is CVE-2023-3906?
When was CVE-2023-3906 disclosed?
Is CVE-2023-3906 actively exploited?
What is the CVSS score of CVE-2023-3906?
How do I remediate CVE-2023-3906?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2023-3906
Is Your Infrastructure Affected by CVE-2023-3906?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.