CVE-2026-79993
CVE-2026-79993: 1 tracked advisory record across Apache. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Apache
1 advisory- Advisory severityHigh7.5
High [CVE-2026-79993] Apache ZooKeeper: The `deleteContainer` opcode (0x14/20) is processed without verifying the caller's ACL permissions, allowing any authenticated client to delete specific znodes in the data tree regardless of the ACL restrictions on the znode or its parent
CVE-2026-79993Source published Source updated
The `deleteContainer` opcode (0x14/20) is processed without verifying the caller's ACL permissions, allowing any authenticated client to delete specific znodes in the data tree regardless of the ACL restrictions on the znode or its parent. This opcode is considered internal-only and the official client doesn't have API for it, but a client that can open a plain TCP session on the ZooKeeper client port (2181 by default) - with NO authentication and NO ACL permissions - can delete any empty persistent znode (including regular persistent nodes, container nodes, and TTL nodes) by issuing the raw protocol OpCode deleteContainer (20). The deleteContainer request path completely skips both the session check and the DELETE ACL check that are enforced by the regular delete (OpCode 2) path. This…
- Affected products in this advisory
- Apache ZooKeeper
- Source-reported affected versions
- 3.9.0 through 3.9.5
- 3.8.0 through 3.8.6.
- through 3.8.6
- Source-reported fixed versions
- 3.9.6
- 3.8.7
- Mitigation guidance
- Users are recommended to upgrade to version 3.9.6 or 3.8.7, which fixes the issue.
Android app · Google Play
Monitor future Apache CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.