CVE-2026-81706— openssl_encrypt before 1.4.9 Key Substitution via Identity Shadowing
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.
在 OpenSSL 1.4.9 之前， 无法防止身份存储（IdentityStore）中自有身份（own identities）与联系人（contacts）之间的命名空间冲突，从而使攻击者能够创建被遮蔽的联系人条目，这些条目在对应的自有身份被删除之前是不可见的。当自有身份被删除后，被遮蔽的联系人就会显现，并解析为攻击者的密钥，从而实现对加密文件的静默密钥替换。
Affected 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-2026-81706
Vulnerability Information
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Vulnerability Title
openssl_encrypt before 1.4.9 Key Substitution via Identity Shadowing
Source: CVE Program / CVE List V5
Vulnerability Description
openssl_encrypt before 1.4.9 fails to prevent namespace collisions between own identities and contacts in IdentityStore, allowing attackers to create shadowed contact entries invisible until the corresponding own identity is deleted. When the own identity is deleted, the shadowed contact becomes visible and resolves to the attacker's keys, enabling silent key substitution for encrypted files.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对数据真实性的验证不充分
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-2026-81706
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-81706 (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-2026-81704 | 7.5 HIGH | openssl_encrypt before 1.4.9 Weak Key Derivation via D-Bus |
| CVE-2026-81691 | 7.5 HIGH | openssl_encrypt before 1.4.9 Credential Leakage via Unvalidated Server URLs |
| 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-2026-81693 | 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-2026-81686 | 6.2 MEDIUM | openssl_encrypt before 1.4.9 D-Bus Properties Authorization Bypass |
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-345
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V. Comments for CVE-2026-81706
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