Intel BigDL: Deserialization of untrusted data allows privilege escalation
Summary
Deserialization of untrusted data in some BigDL software allows an unprivileged user to escalate privileges. The CVE record lists versions before 2.5.0b1 as affected, and Intel's advisory lists all BigDL versions. Per the CVSS vector, an attacker with network access, no privileges and no user interaction could exploit this with low complexity, with low impact on confidentiality, integrity and availability. Intel is not releasing a fix, because BigDL has been discontinued.
Affected
- BigDL software before version 2.5.0b1 (per CVE record)
- Intel advisory INTEL-SA-01553 lists BigDL software, all versions
Fixed in
- No fix: Intel is not releasing updates and has issued a Product Discontinuation Notice for BigDL software.
- Do not rely on version 2.5.0b1 as a fixed version unless Intel confirms it.
Workaround
- Intel recommends uninstalling BigDL software or discontinuing its use.
- Until removal, restrict network access to BigDL services and monitor for unusual deserialization activity (generic third-party advice, not a vendor statement).
Exploitation
- Exploited in the wild: not known.
- Public proof of concept: none found as of 10 Nov 2026 (aggregator check).
- Not listed in CISA KEV according to the research notes.
Our recommendation
- Inventory all BigDL installations, including container images and Python or Maven dependencies.
- Uninstall BigDL or stop using it, as Intel recommends.
- If removal is not possible, restrict network access to BigDL services and monitor for unusual activity.
- Re-check the Intel advisory and NVD in a few days, since the CVE was published on 10 Nov 2026.
Public exploits
PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.
Research sources
- Intel SA-01553: BigDL Software Advisory intel.com
- Strix: CVE-2026-52899 www.strix.ai
- OffSeq Radar: CVE-2026-52899 escalation of privilege in BigDL software radar.offseq.com
- Maven Repository: BigDL mvnrepository.com
Researched and written up in English and German by an AI (Claude by Anthropic) based on NVD, CISA, EPSS and the sources listed. The vendor information is authoritative. Researched on 11 Nov 2026, 10:01.
Original description (NVD)
Deserialization of untrusted data for some BigDL software before version 2.5.0b1 within Ring 3: User Applications may allow an escalation of privilege. Unprivileged software adversary with an unauthenticated user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via network access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (low), integrity (low) and availability (low) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.
Sources
The tracker combines official, freely usable data sources – updated continuously:
- NVD (NIST) – CVEs, rating (CVSS), affected products
- CISA KEV – vulnerabilities confirmed by CISA as actively exploited
- CISA Vulnrichment – CISA assessment (SSVC) in the official CVE record
- FIRST EPSS – probability of exploitation
- Microsoft MSRC – Patch Tuesday: vulnerabilities, severity, updates
- PoC-in-GitHub – public proof-of-concept repositories
- Metasploit (Rapid7) – modules of the Metasploit Framework
- Exploit-DB (OffSec) – archive of public exploits (links only)
- Patch days: official vendor pages (linked per vendor) (Vendor patch days)
This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.
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