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CVE-2026-88805— Session Not Revoked Server-Side on Logout in Rancher

Quick assessment

Affected
SUSE Rancher
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

登出时凭据清理不当，可能导致远程攻击者在账户注销后仍保留访问凭据。受影响的版本为 SUSE Rancher 2.15 至 2.15.2 之前的所有版本。

CVSS 8.1 · High
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I. Basic Information for CVE-2026-88805

Vulnerability Information
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Vulnerability Title
Session Not Revoked Server-Side on Logout in Rancher
Source: CVE Program / CVE List V5
Vulnerability Description
Incorrect credential cleaning on logout could be used by remote attackers to keep access credentials even after the account was logged out. Affected is SUSE Rancher 2.15 before 2.15.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的会话过期机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
SUSE Rancher 2.15.0 ~ 2.15.2 -

II. Public POCs for CVE-2026-88805

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III. Intelligence Information for CVE-2026-88805

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Other References for CVE-2026-88805 (1)

Same Patch Batch · SUSE · 2026-09-28 · 8 CVEs total

CVE-2026-88804 9.6 CRITICAL Unauthenticated update of public UI settings leading to stored cross-site scripting in Ran
CVE-2026-88808 8.8 HIGH Fleet agent copies downstream resources with cluster-admin privileges, allowing cross-name
CVE-2026-78424 8.8 HIGH OS Command Injection in Packet-Capture (Sniffer) Filter leading to Remote Code Execution o
CVE-2026-93538 7.1 HIGH Cross-tenant BundleDeployment and Secret disclosure via spoofed cluster labels during agen
CVE-2026-93540 6.5 MEDIUM Fleet applies namespace labels and annotations without the bundle's service account privil
CVE-2026-93537 6.5 MEDIUM Path traversal in Fleet Helm valuesFiles allows disclosure of files outside the bundle dir
CVE-2026-93539 5.4 MEDIUM Unauthenticated GitRepo Spec Mutation via Fleet Git Webhook Receiver

IV. Related Vulnerabilities

Same product: Rancher
Same vendor: SUSE
Same weakness: CWE-613

V. Comments for CVE-2026-88805

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