CVE-2026-3605: hashicorp vault
Vulnerability summary
CVE-2026-3605 is a high (CVSS 8.1) vulnerability in hashicorp vault. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 42.1% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 2 · Related 3Timeline
- 17-04-2026PublishedVulnerability first disclosed.
- 15-07-2026Last modifiedVulnerability information updated.
Description
An authenticated user with access to a kvv2 path through a policy containing a glob may be able to delete secrets they were not authorized to read or write, resulting in denial-of-service. This vulnerability did not allow a malicious user to delete secrets across namespaces, nor read any secret data. Fxed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0, 1.21.5, 1.20.10, and 1.19.16.
CVSS metrics
5 scores · 5 sources · 1 version- OSV · WolfiEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- OSV · GoEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- OSV · ChainguardEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- NVDNIST8.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
EPSS trend
Probability
0.50%
Chance of exploitation in the next 30 days
Percentile
42%
Versus all other CVEs
30-day change
+0.13 pp
From 0.38% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-288Authentication Bypass Using an Alternate Path or ChannelThe product requires authentication, but the product has an alternate path or channel that does not require authentication.
- 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
Chainguard13 products
- splunk-otel-collector< 0.157.0-r0
- splunk-otel-collector-compat< 0.160.0-r0
- splunk-otel-collector-fips< 0.157.0-r0
- vault-1.16All versions (No fix recorded)
- vault-1.17All versions (No fix recorded)
Hashicorp2 products
- vault≥ 0.10.0, < 1.19.16 | ≥ 0.10.0, < 2.0.0 | ≥ 1.20.0, < 1.20.10 | ≥ 1.21.0, < 1.21.5
- vault enterprise≥ 0.10.0, < 2.0.0
Wolfi2 products
- splunk-otel-collector< 0.157.0-r0
- splunk-otel-collector-compat< 0.160.0-r0
Github.com/hashicorp1 product
- vault≥ 0.10.0, ≤ 1.21.4 | ≥ 0.10.0 (No fix recorded)
4 vendors · 18 products
References
8 links- github.com/hashicorp/vaultPACKAGE