CVE-2026-81691— openssl_encrypt before 1.4.9 Credential Leakage via Unvalidated Server URLs
Quick assessment
Affected
jahlives openssl_encrypt
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.
以下是对该漏洞描述的专业中文翻译： OpenSSL-Encrypt 1.4.9 之前的版本在 和 函数中未能正确验证服务器 URL，从而接受了未加密的 URL 以及未配置的宿主主机。攻击者若处于网络路径上，能够拦截以明文形式传输的凭据（包括 、密码和 JWT 令牌），进而实现对密钥服务器（keyserver）账户的完全接管。
Possible ATT&CK Techniques 2 AI
T1557.001 · Name Resolution Poisoning and SMB Relay T1557 · Adversary-in-the-MiddleAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| jahlives | openssl_encrypt | < 1.4.9 |
affected |
1.4.9 |
unaffected |
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I. Basic Information for CVE-2026-81691
Vulnerability Information
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Vulnerability Title
openssl_encrypt before 1.4.9 Credential Leakage via Unvalidated Server URLs
Source: CVE Program / CVE List V5
Vulnerability Description
openssl_encrypt versions before 1.4.9 fail to validate server URLs in login and register_with_email functions, accepting unencrypted http:// URLs and unconfigured hosts. Attackers on the network path can intercept cleartext credentials including client_id, passwords, and JWTs to achieve full keyserver account takeover.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文传输
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| jahlives | openssl_encrypt | 0 ~ 1.4.9 | - |
|
II. Public POCs for CVE-2026-81691
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-81691 (2)
Same Patch Batch · jahlives · 2026-08-27 · 36 CVEs total
| CVE-2026-81707 | 9.8 CRITICAL | openssl_encrypt before 1.4.9 ANSI Escape Injection via Identity Email |
| CVE-2026-81701 | 9.8 CRITICAL | openssl_encrypt before 1.4.9 Arbitrary Code Execution via unsigned plugin |
| CVE-2026-81700 | 9.8 CRITICAL | openssl_encrypt before 1.4.9 GPG Signature Verification Bypass |
| CVE-2026-81702 | 9.8 CRITICAL | openssl_encrypt before 1.4.9 Key Substitution via Identity Load |
| CVE-2026-81683 | 8.4 HIGH | openssl_encrypt before 1.4.9 Plaintext Private Key Storage |
| CVE-2026-81719 | 7.8 HIGH | openssl_encrypt before 1.4.9 Remote Code Execution via Plugin |
| CVE-2026-81721 | 7.5 HIGH | openssl_encrypt before 1.4.9 Denial of Service via KDF |
| CVE-2026-81698 | 7.5 HIGH | openssl_encrypt before 1.4.9 Shell Injection via info command |
| CVE-2026-81704 | 7.5 HIGH | openssl_encrypt before 1.4.9 Weak Key Derivation via D-Bus |
| CVE-2026-81693 | 7.5 HIGH | openssl_encrypt before 1.4.9 Denial of Service via QR total field |
| CVE-2026-81705 | 7.5 HIGH | openssl-encrypt before 1.4.9 Password Cleartext Leak via Debug |
| CVE-2026-81689 | 7.5 HIGH | openssl_encrypt before 1.4.9 Weak Pepper Key Derivation |
| CVE-2026-81699 | 7.5 HIGH | openssl_encrypt before 1.4.9 Denial of Service via unbounded KDF cost |
| CVE-2026-81692 | 7.5 HIGH | openssl_encrypt before 1.4.9 Denial of Service via STREAMINFO |
| CVE-2026-81688 | 7.5 HIGH | openssl_encrypt before 1.4.9 Plaintext Confirmation Oracle via SHA-256 |
| CVE-2026-81718 | 7.5 HIGH | openssl_encrypt before 1.4.9 Weak Cryptographic Parameters |
| CVE-2026-81690 | 7.3 HIGH | verify-usb before 1.4.9 Symlink Directory Traversal Code Execution |
| CVE-2026-81714 | 7.0 HIGH | openssl_encrypt before 1.4.9 Plugin Signing Trust Anchor Enrollment Bypass |
| CVE-2026-81706 | 6.8 MEDIUM | openssl_encrypt before 1.4.9 Key Substitution via Identity Shadowing |
| CVE-2026-81684 | 6.2 MEDIUM | openssl_encrypt before 1.4.9 Information Disclosure via Command Line |
Showing top 20 of 36 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: openssl_encrypt
-
CVE-2026-81721
openssl_encrypt before 1.4.9 Denial of Service via KDF -
CVE-2026-81719
openssl_encrypt before 1.4.9 Remote Code Execution via Plugi -
CVE-2026-81720
openssl_encrypt before 1.4.9 Denial of Service via Unbounded -
CVE-2026-81718
openssl_encrypt before 1.4.9 Weak Cryptographic Parameters -
CVE-2026-81717
openssl_encrypt before 1.4.9 Integrity Bypass via Added File
Same vendor: jahlives
-
CVE-2026-81721
openssl_encrypt before 1.4.9 Denial of Service via KDF -
CVE-2026-81719
openssl_encrypt before 1.4.9 Remote Code Execution via Plugi -
CVE-2026-81720
openssl_encrypt before 1.4.9 Denial of Service via Unbounded -
CVE-2026-81718
openssl_encrypt before 1.4.9 Weak Cryptographic Parameters -
CVE-2026-81717
openssl_encrypt before 1.4.9 Integrity Bypass via Added File
Same weakness: CWE-319
-
CVE-2026-19854
CVE-2026-19854 CVE Record -
CVE-2026-29988
Milesight IoT设备NFC接口密钥明文传输漏洞 -
CVE-2026-79782
rclone before 1.74.4 Security Token Disclosure via HTTPS to -
CVE-2026-79779
rclone before v1.75.0 WebDAV Credential Exposure via HTTPS-t -
CVE-2026-77131
Cleartext Transmission of Sensitive Information in extension
V. Comments for CVE-2026-81691
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