CVE-2026-85243— Apache Camel 组件PGP完整性验证降级漏洞
一分钟漏洞结论
影响对象
Apache Software Foundation Apache Camel
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 Camel Crypto PGP 组件中存在“完整性校验值验证不当”的漏洞。 该问题影响 Apache Camel 的以下版本：4.0.0 至 4.18.5 之前的版本，以及 4.19.0 至 4.22.1 之前的版本。 在 unmarshal() 方法中，仅当消息为 OpenPGP 对称加密且带有完整性保护的数据包时，才会验证修改检测码（Modification Detection Code, MDC）。而较旧的对称加密数据包并不包含此类代码；由于 OpenPGP 的 CFB 模式在没有 MDC 的
影响版本矩阵 5
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Apache Software Foundation | Apache Camel | 4.0.0< 4.18.5 |
affected |
4.19.0< 4.22.1 |
affected | ||
4.18.5 |
unaffected | ||
4.22.1 |
unaffected | ||
4.23.0 |
unaffected |
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一、 漏洞 CVE-2026-85243 基础信息
漏洞信息
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Vulnerability Title
Apache Camel: Camel-Crypto-PGP Integrity Verification Downgrade via Attacker-Controlled Message Structure
来源: CVE Program / CVE List V5
Vulnerability Description
Improper Validation of Integrity Check Value vulnerability in Apache Camel Crypto PGP component.
This issue affects Apache Camel: from 4.0.0 before 4.18.5, from 4.19.0 before 4.22.1.
unmarshal() verified the modification detection code only when the message was an OpenPGP symmetrically encrypted integrity protected data packet. The older symmetrically encrypted data packet carries no such code, and OpenPGP's CFB mode is malleable without one, so a message using that packet skipped the check altogether. The packet type is chosen by whoever produced the message, which left the sender - or anyone able to rewrite the message in transit - deciding whether the integrity check applied at all. The existing integrity option governs marshalling only and had no decrypt-side counterpart, so a deployment could not require integrity protection on the messages it accepted.
Upgrade to Apache Camel 4.23.0, which fixes the issue. Users on the 4.18.x LTS releases stream should upgrade to 4.18.5. Users on the 4.22.x LTS releases stream should upgrade to 4.22.1. A requireIntegrityProtection option, defaulting to true, now rejects a message that is not integrity protected. Note that signatureVerificationOption still defaults to optional, so a message carrying no signature is accepted; the two options together are what give a decrypted message authenticity and not only confidentiality. For deployments that cannot upgrade immediately, reject messages that do not use the integrity protected packet before they reach the data format. Routes that must interoperate with a sender still emitting the legacy packet should set requireIntegrityProtection=false after upgrading, and treat the decrypted content as unauthenticated.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
完整性检查值验证不恰当
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 Camel | 4.0.0 ~ 4.18.5 | - |
|
二、漏洞 CVE-2026-85243 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-85243 补丁与修复 (3)
CVE-2026-85243 厂商安全公告 (2)
同批安全公告 · Apache Software Foundation · 2026-10-19 · 共 62 条
| CVE-2026-78162 | 10.0 CRITICAL | Apache Camel 反序列化过滤缺失漏洞 |
| CVE-2026-88900 | 8.8 HIGH | Apache Camel 反序列化漏洞 |
| CVE-2026-83531 | 8.8 HIGH | Apache Camel 动态路由控制端点远程代码执行漏洞 |
| CVE-2026-78165 | 8.8 HIGH | Apache Camel 反序列化漏洞 |
| CVE-2026-80312 | 8.2 HIGH | Apache Camel OAuth 身份验证绕过漏洞 |
| CVE-2026-80344 | 8.2 HIGH | Apache Camel 服务端请求伪造及凭证泄露漏洞 |
| CVE-2026-80343 | 8.2 HIGH | Apache Camel Netty-HTTP 路径匹配绕过漏洞 |
| CVE-2026-78164 | 8.2 HIGH | Apache Camel HTTP 生产者远程代码执行漏洞 |
| CVE-2026-88901 | 8.2 HIGH | Apache Camel 默认解析外部实体漏洞 |
| CVE-2026-85251 | 7.5 HIGH | Apache Camel HTTP 凭据泄露漏洞 |
| CVE-2026-85250 | 7.5 HIGH | Apache Camel XPath XML外部实体及文件泄露漏洞 |
| CVE-2026-79984 | 7.4 HIGH | Apache Camel 远程代码执行漏洞 |
| CVE-2026-79985 | 7.4 HIGH | Apache Camel 远程文件读取漏洞 |
| CVE-2026-79986 | 7.4 HIGH | Apache Camel 远程文件读取漏洞 |
| CVE-2026-79983 | 7.4 HIGH | Apache Camel 远程文件读取漏洞 |
| CVE-2026-91858 | 6.5 MEDIUM | Apache Camel Camel-FOP 远程代码执行漏洞 |
| CVE-2026-84176 | 6.5 MEDIUM | Apache Camel 跨域凭证暴露漏洞 |
| CVE-2026-85249 | 6.5 MEDIUM | Apache Camel 未过滤元数据导致头部注入漏洞 |
| CVE-2026-85314 | 6.5 MEDIUM | Apache Camel 邮件头注入漏洞 |
| CVE-2026-85296 | 6.5 MEDIUM | Apache Camel AS2 组件密钥混淆漏洞 |
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IV. Related Vulnerabilities
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