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CVE-2026-86698— Refresh tokens accepted as private repository credentials at the CDN

一分钟漏洞结论

影响对象
hexpm hexpm
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

Insufficient Session Expiration vulnerability in OAuth token issuance in hexpm hexpm allows a user whose organization membership or session has ended to keep reading the organization's private packages and their documentation tarballs via a retained refresh to

CVSS 2.3 · Low

影响版本矩阵 2

厂商产品 版本范围状态
hexpm hexpm 2025-10-10< 2026-09-22 affected
650faa03af511e74c1b3b49ec12d35666b6984c4< db58cf3a86c7639708ef52ff86de0b4f938e6360 affected
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一、 漏洞 CVE-2026-86698 基础信息

漏洞信息

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Vulnerability Title
Refresh tokens accepted as private repository credentials at the CDN
来源: CVE Program / CVE List V5
Vulnerability Description
Insufficient Session Expiration vulnerability in OAuth token issuance in hexpm hexpm allows a user whose organization membership or session has ended to keep reading the organization's private packages and their documentation tarballs via a retained refresh token. generate_refresh_token/4 in lib/hexpm/oauth/jwt.ex signs the refresh token with the same iss, aud and scope claims as the access token, so it carries the same repository:<org> scopes. The CDN service that serves private repositories verifies the signature and time claims and then authorizes from the scope claim, with no database lookup and no way to tell the two token kinds apart. Removing a member or revoking a session therefore takes effect at the CDN only when the 30 day refresh token expires, instead of after the 30 minute access token lifetime. Access is read-only and limited to organizations the account belonged to when the token was granted. This issue affects hex.pm: from 2025-10-10 before 2026-09-22.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N
来源: CVE Program / CVE List V5
Vulnerability Type
不充分的会话过期机制
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
hexpm hexpm 2025-10-10 ~ 2026-09-22 cpe:2.3:a:hexpm:hexpm:*:*:*:*:*:*:*:*
hexpm hexpm 650faa03af511e74c1b3b49ec12d35666b6984c4 ~ db58cf3a86c7639708ef52ff86de0b4f938e6360 cpe:2.3:a:hexpm:hexpm:*:*:*:*:*:*:*:*

二、漏洞 CVE-2026-86698 的公开POC

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三、漏洞 CVE-2026-86698 的情报信息

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CVE-2026-86698 补丁与修复 (2)

CVE-2026-86698 其他参考 (3)

IV. Related Vulnerabilities

Same product: hexpm
Same vendor: hexpm
Same weakness: CWE-613

V. Comments for CVE-2026-86698

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