CVE-2026-52733— ZEBRA Sapling/Orchard 树根持久性损坏漏洞
可能的 ATT&CK 技术 1AI
T1565.001 · Stored Data Manipulation影响版本矩阵 2
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| ZcashFoundation | zebra | < 4.5.0 | affected |
| ZcashFoundation | zebra-state | < 7.0.0 | affected |
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一、 漏洞 CVE-2026-52733 基础信息
漏洞信息
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Vulnerability Title
ZEBRA: Persistent on-disk corruption of Sapling/Orchard subtree roots after chain fork via pop_tip
来源: CVE Program / CVE List V5
Vulnerability Description
ZEBRA is a Zcash node written entirely in Rust. Prior to 4.5.0, a natural or attacker-influenced chain fork can leave stale Sapling and Orchard note-commitment subtree roots in Zebra state. In zebra-state/src/service/non_finalized_state/chain.rs, Chain::pop_tip removed a reverted tip block but did not remove subtree entries whose end_height belonged to that block, unlike the cleanup performed by pop_root. When the winning fork later finalized, the abandoned branch's stale subtree data could be written to RocksDB and survive node restarts. The corrupted history can cause z_getsubtreesbyindex consumers such as lightwalletd and light wallets to receive incorrect subtree roots, producing wallet synchronization failures or incorrect wallet state and requiring a full state rebuild for recovery. This issue is fixed in version 4.5.0.
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:L
来源: CVE Program / CVE List V5
Vulnerability Type
清理环节不完整
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| ZcashFoundation | zebra | < 4.5.0 | - | |
| ZcashFoundation | zebra-state | < 7.0.0 | - |
二、漏洞 CVE-2026-52733 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-52733 厂商安全公告 (1)
CVE-2026-52733 厂商页面 (1)
同批安全公告 · ZcashFoundation · 2026-08-18 · 共 10 条
| CVE-2026-52735 | 9.3 CRITICAL | ZEBRA P2SH签名操作计数错误导致共识分歧漏洞 |
| CVE-2026-52736 | 8.7 HIGH | Zebra NU5相同头部体毒化发送哈希缓存 |
| CVE-2026-52829 | 7.5 HIGH | Zebra IPv4映射内存池错误更新导致地址簿中止 |
| CVE-2026-52738 | 6.9 MEDIUM | ZEBRA区块共识有效余额信用优先溢出漏洞 |
| CVE-2026-52731 | 6.5 MEDIUM | ZEBRA getblocktemplate 远程拒绝服务漏洞 |
| CVE-2026-52739 | 5.9 MEDIUM | Zebra 防屏蔽交易中止漏洞 |
| CVE-2026-52737 | 5.3 MEDIUM | 斑马Sync重启 poisoning：未认证同行利用超前块 |
| CVE-2026-52732 | 5.3 MEDIUM | ZEBRA Mempool事务准入拒绝漏洞 |
| CVE-2026-52734 | 5.3 MEDIUM | 斑马Zebra mempool下载管道内存泄漏漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-52733
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