CVE-2026-40264

lowpriority · track · 11EPSS 0.003 · 23 %ileDEEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.30% (23rd) EPSS
CVSS 2.7 · low
Is it mine?
10 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-26

OpenBao is an open source identity-based secrets management system. OpenBao's namespaces provide multi-tenant separation. Prior to version 2.5.3, a tenant who leaks token accessors can have their token revoked or renewed by a privileged administrator in another tenant. This is addressed in v2.5.3.

01

cvss

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

2.7
010

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

v3.12.7lowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:Lprimary · NVD / NIST USexploitability 1.2 · impact 1.4
v3.12.7lowAV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:Lsecondary · FSTEC (BDU) RU
v4.02lowCVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:Nsecondary · ENISA EU
v4.02lowCVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/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 · security-advisories@github.com
v4.00.4lowCVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/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)
02

ssvc

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

Trackcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1259USCWE-1259USCWE-1259US
04

affected products (10)

Products and version ranges known to be affected.

05

advisories (4)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2026-1189OpenBao: Mehrere SchwachstellenDeutsch2026-04-20csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in OpenBao ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um einen Denial of Service Angriff durchzuführen, und um einen SQL-Injection Angriff durchzuführen.

  • GHSA-p49j-v9wc-wg57OpenBao's Token Store Allows Cross-Namespace Renewal, Revocation2026-04-21ghsa · osvUS

    ### Impact OpenBao's namespaces provide multi-tenant separation. A tenant who leaks token accessors can have their token revoked or renewed by a privileged administrator in another tenant. ### Patches This was addressed in v2.5.3.

  • BIT-openbao-2026-40264OpenBao's Token Store Allows Cross-Namespace Renewal, Revocation2026-07-27vendor · osvUS

    OpenBao is an open source identity-based secrets management system. OpenBao's namespaces provide multi-tenant separation. Prior to version 2.5.3, a tenant who leaks token accessors can have their token revoked or renewed by a privileged administrator in another tenant. This is addressed in v2.5.3.

  • GO-2026-5526OpenBao's Token Store Allows Cross-Namespace Renewal, Revocation in github.com/openbao/openbao2026-06-25vendor · osvUS

    OpenBao's Token Store Allows Cross-Namespace Renewal, Revocation in github.com/openbao/openbao

06

also known as (7)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bduosvcert_bundnvdNVDCVE.orgMITRE
published 2026-04-21modified 2026-06-25
08

references (5)

External citations — patches, advisories, analysis.

scry

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