CVE-2019-4279
IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources. IBM X-Force ID: 160445.
Attention and evidence
Evidence confidence: PoC published; attacks unconfirmed
Hype components
Sources and documents
No source documents yet.
Score evolution
● Hype ● Reality
Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.
First record: hype 0.0 · reality 5.5 (2026-11-02 15:12). The curve appears once the score changes.
Public exploit evidence
Public exploit entries / repo candidates
Source entries and unverified repository candidates are counted separately.
Evidence context and dated references
Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.
Evidence in context
- Confidence in exploitation evidence
- PoC published; attacks unconfirmed
- Priority basis
- Exploitation in attacks unconfirmed; CVSS 9; EPSS 79.9%
- Attention, last 30 days
- 0 distinct story titles; 0 press documents; 0 publisher domains.
- Technical potential
- network access, no prior privileges, no user interaction, additional attack conditions.
- Observed activity
- Public PoC evidence is present.
- Known scale
- Not quantified.
- Evidence confidence basis
- Published PoC artifact; functionality unverified
Score evaluated: 2026-11-05 13:58:09.064523+00:00 · EPSS snapshot: 2026-11-11T12:00:22Z