CVE-2026-102508— Apache PLC4X OPC UA 安全通道完整性绕过漏洞
一分钟漏洞结论
影响对象
Apache Software Foundation Apache PLC4X
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。
Apache PLC4X（PLC4J）中的 OPC UA 驱动存在加密签名验证不当和证书验证不当的漏洞，使得处于客户端与服务器之间网络位置的攻击者能够冒充 OPC UA 服务器，并读取、伪造或修改安全通道中的流量（包括客户端发送的用户凭据）。 该缺陷在不同版本中表现不同： 在 0.9.0 至 0.11.0 版本中，消息签名校验失败仅被记录日志，从未强制执行；且不存在验证服务器证书的机制：证书直接取自未经身份验证的 GetEndpoints 发现响应，并用于加密用户密码。 在 0.12.0 至 0.13.1 版本中，
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一、 漏洞 CVE-2026-102508 基础信息
漏洞信息
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Vulnerability Title
Apache PLC4X: OPC UA secure channel: integrity bypass, unverifiable server certificate, and silent downgrade
来源: CVE Program / CVE List V5
Vulnerability Description
Improper Verification of Cryptographic Signature and Improper Certificate Validation in the OPC UA driver of Apache PLC4X (PLC4J) allows an attacker in a network position between client and server to impersonate the OPC UA server and to read, forge or modify secure-channel traffic, including user credential ssent by the client.
The defect manifests differently depending on the version:
- In 0.9.0 through 0.11.0 a failed message-signature check is only logged and never enforced, and there is no mechanism to verify the server certificate: it is taken from the unauthenticated GetEndpoints discovery response and used to encrypt the user's password.
- In 0.12.0 through 0.13.1 the signature check is inverted (valid signatures are rejected, invalid ones accepted), and server certificates are accepted without a trust anchor by default.
- In all affected versions the default security policy is None. Starting with 0.12.0 the driver additionally continues silently at a weaker security policy than the one configured, and starting with 0.13.0 endpoint selection prefers the weakest matching endpoint.
Users checking only for one of these mechanisms may wrongly conclude they are unaffected.
This issue affects Apache PLC4X: from 0.9.0 before 1.0.0.
Users are recommended to upgrade to version 1.0.0, which fixes the issue. Version 1.0.0 verifies message signatures correctly, refuses to connect unless the server certificate can be verified against a configured trust store or pinned certificate, defaults to Basic256Sha256 with SignAndEncrypt, and fails the
connection if the negotiated security policy is weaker than the configured one.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
来源: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Apache Software Foundation | Apache PLC4X | 0.9.0 ~ 1.0.0 | - |
|
二、漏洞 CVE-2026-102508 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-102508 邮件列表归档 (1)
同批安全公告 · Apache Software Foundation · 2026-09-30 · 共 19 条
| CVE-2026-94052 | 9.1 CRITICAL | Apache MINA SSHD LDAP认证失效漏洞 |
| CVE-2026-94053 | 9.1 CRITICAL | Apache MINA SSHD LDAP注入漏洞 |
| CVE-2026-77185 | 9.1 CRITICAL | Apache MINA SSHD 异步认证绕过签名验证漏洞 |
| CVE-2026-102509 | 8.7 HIGH | Apache PLC4X OPC UA驱动认证前资源耗尽漏洞 |
| CVE-2026-102510 | 8.7 HIGH | Apache PLC4X Go绑定远程内存耗尽漏洞 |
| CVE-2026-102511 | 8.5 HIGH | Apache PLC4X ADS发现响应欺骗漏洞 |
| CVE-2026-93994 | 8.1 HIGH | Apache MINA SSHD 公钥策略绕过漏洞 |
| CVE-2026-94002 | 7.5 HIGH | Apache MINA SSHD 内存耗尽漏洞 |
| CVE-2026-93995 | 6.5 MEDIUM | Apache MINA SSHD 远程代码执行漏洞 |
| CVE-2026-93996 | 6.5 MEDIUM | Apache MINA SSHD 内存耗尽拒绝服务漏洞 |
| CVE-2026-94029 | 6.5 MEDIUM | Apache MINA SSHD SFTP内存耗尽漏洞 |
| CVE-2026-87830 | Apache WSS4J 流式验证跳过元素保护检查漏洞 | |
| CVE-2026-85532 | Apache WSS4J 派生密钥参数验证不足漏洞 | |
| CVE-2026-88920 | Apache WSS4J SAML身份验证绕过漏洞 | |
| CVE-2026-89238 | Apache WSS4J: WSS4J EncryptedHeader child confusion causing wrong protected-header selecti | |
| CVE-2026-92121 | Apache WSS4J: WS-SecurityPolicy signature checks skipped in the streaming code after an ST | |
| CVE-2026-92899 | Apache WSS4J: UsernameToken replay protection bypassed by re-encoding the Nonce | |
| CVE-2026-95616 | Apache WSS4J: Unauthenticated denial of service via integer overflow in DER parsing of X.5 |
IV. Related Vulnerabilities
Same vendor: Apache Software Foundation
-
CVE-2026-95616
Apache WSS4J: Unauthenticated denial of service via integer -
CVE-2026-92899
Apache WSS4J: UsernameToken replay protection bypassed by re -
CVE-2026-92121
Apache WSS4J: WS-SecurityPolicy signature checks skipped in -
CVE-2026-89238
Apache WSS4J: WSS4J EncryptedHeader child confusion causing -
CVE-2026-88920
Apache WSS4J SAML身份验证绕过漏洞
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