CVE-2025-26866
published 2025-12-12CVE-2025-26866: A remote code execution vulnerability exists where a malicious Raft node can exploit insecure Hessian deserialization within the PD store. The fix enforces…
PriorityP263high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EPSS
0.80%
53.0th percentile
A remote code execution vulnerability exists where a malicious Raft node can exploit insecure Hessian deserialization within the PD store. The fix enforces IP-based authentication to restrict cluster membership and implements a strict class whitelist to harden the Hessian serialization process against object injection attacks.
Users are recommended to upgrade to version 1.7.0, which fixes the issue.
Affected
5 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apache | hugegraph | >= 1.0.0 < 1.7.0 | 1.7.0 |
| apache_software_foundation | apache_hugegraph-server | >= 1.0.0 < 1.7.0 | 1.7.0 |
| msrc | cbl2_kernel_5.15.186.1-1_on_cbl_mariner_2.0 | — | — |
| msrc | cbl2_kernel_5.15.200.1-1_on_cbl_mariner_2.0 | — | — |
| msrc | cbl2_kernel_5.15.202.1-1_on_cbl_mariner_2.0 | — | — |
Detection & IOCsextracted from sources · hover to see the quote
- →Detect exploitation attempts targeting insecure Hessian deserialization in the PD store (org.apache.hugegraph:hg-pd-core); monitor for unexpected Raft node join requests from unauthorized IPs attempting to exploit object injection via Hessian serialization. ↗
- →Alert on Raft cluster membership changes originating from IPs not explicitly whitelisted in the cluster configuration, as the fix enforces IP-based authentication to restrict cluster membership. ↗
- →Flag any Java deserialization activity in hg-pd-core involving classes outside a strict whitelist; the vulnerability allows arbitrary object injection via Hessian deserialization. ↗
- ·Affected component is org.apache.hugegraph:hg-pd-core; only versions prior to 1.7.0 are vulnerable. Upgrade to 1.7.0 to receive the IP-based authentication enforcement and Hessian class whitelist fix. ↗
- ·Despite a high EPSS exploitation probability percentile (82.1), no public exploit or CISA KEV entry exists as of the publication date (December 12, 2025). ↗
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vendor_msrc5.5MEDIUM
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GHSA
Apache HugeGraph-Server: RAFT and deserialization vulnerability
ghsa·2025-12-12
CVE-2025-26866 [HIGH] CWE-502 Apache HugeGraph-Server: RAFT and deserialization vulnerability
Apache HugeGraph-Server: RAFT and deserialization vulnerability
A remote code execution vulnerability exists where a malicious Raft node can exploit insecure Hessian deserialization within the PD store. The fix enforces IP-based authentication to restrict cluster membership and implements a strict class whitelist to harden the Hessian serialization process against object injection attacks.
Users are recommended to upgrade to version 1.7.0, which fixes the issue.
OSV
Apache HugeGraph-Server: RAFT and deserialization vulnerability
osv·2025-12-12
CVE-2025-26866 [HIGH] Apache HugeGraph-Server: RAFT and deserialization vulnerability
Apache HugeGraph-Server: RAFT and deserialization vulnerability
A remote code execution vulnerability exists where a malicious Raft node can exploit insecure Hessian deserialization within the PD store. The fix enforces IP-based authentication to restrict cluster membership and implements a strict class whitelist to harden the Hessian serialization process against object injection attacks.
Users are recommended to upgrade to version 1.7.0, which fixes the issue.
Microsoft
spi: lpspi: Avoid potential use-after-free in probe()
vendor_msrc·2024-04-09·CVSS 5.5
CVE-2024-26866 [MEDIUM] CWE-416 spi: lpspi: Avoid potential use-after-free in probe()
spi: lpspi: Avoid potential use-after-free in probe()
FAQ: Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?
One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this blog post for more information. If impact to additional products is identified, we will update the CVE to reflect this.
Mariner: Mariner
Linux: Linux
Customer Action Required: Yes
No detection rules found.
No public exploits indexed.
2025-12-12
Published