CVE-2026-11500: Weaviate Static API Key client.go validateConfig authorization
Vulnerability summary
CVE-2026-11500 is a medium (CVSS 5.0) Improper Authorization vulnerability in weaviate Go. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 27.2% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 2.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 08-06-2026PublishedVulnerability first disclosed.
- 08-06-2026Last modifiedVulnerability information updated.
Description
A vulnerability was identified in Weaviate up to 1.37.7. This vulnerability affects the function validateConfig of the file usecases/auth/authentication/apikey/client.go of the component Static API Key Handler. The manipulation of the argument StaticApiKey leads to authorization bypass. It is possible to initiate the attack remotely. The complexity of an attack is rather high. It is stated that the exploitability is difficult. The exploit is publicly available and might be used. Upgrading to version 1.38.0-rc.0 is able to resolve this issue. The identifier of the patch is 40f2cc32279f0f8a51016c3c6870a2c0c808e6c0. You should upgrade the affected component.
CVSS metrics
9 scores · 3 sources · 4 versions- OSV · GoEcosystem advisory · calculated2.3LowCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- NVDNIST1.3LowCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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:XDiffers
- OSV · GoEcosystem advisory · calculated5.0MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
- NVDNIST5.0MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
- NVDNIST4.6MediumAV:N/AC:H/Au:S/C:P/I:P/A:P
EPSS trend
Probability
0.34%
Chance of exploitation in the next 30 days
Percentile
27%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.34% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundWeaviate
Maturity: poc
Weaknesses
CWE · root cause- CWE-285Improper AuthorizationThe product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
- CWE-639Authorization Bypass Through User-Controlled KeyThe system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
Affected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Github.com/weaviate1 product
- weaviate< 1.38.0-rc.0
1 vendor · 1 product
References
11 links
- github.com/weaviate/weaviatePACKAGE