CVE-2026-48779
High · 7.5CVSS
7.5
EPSS
0.9%
Published
Jun 17, 2026
CISA due date
—
Cloudanix analysis
There is not enough public information yet to know what software is affected or what action is needed, so teams should monitor for updates before taking operational action.
- Exploitation
- Remote Unauthenticated
- Attacker needs
- None
- Complexity
- Low
- Impact
- Other
- Component
- Other
- Class
- Other
- Remediation
- No Fix Yet
- Effort
- Other
- Patch risk
- Other
What it actually does
Insufficient public technical detail is available from the provided record to characterize the vulnerability class, affected component, attack surface, required privileges, or post-exploitation outcome. Based on the available metadata, it is assigned to a generic “Other” family, has no listed affected products or fixed versions, is not in the CISA Known Exploited Vulnerabilities catalog, and has a low EPSS score, indicating no strong current signal of broad exploitation probability.
Why it matters to the business
Because no affected products are listed, organizations cannot determine business exposure from this record alone. If later advisories identify widely deployed software as affected, the impact could range from limited component-level risk to service disruption, data exposure, or unauthorized access depending on the final vulnerability details. Current urgency is low based on the available EPSS score and absence from KEV, but the item should be monitored for enrichment.
How an attack unfolds
No reliable end-to-end exploitation narrative can be derived from the provided data. There is no description of the vulnerable product, vulnerable function, attacker prerequisites, network exposure, authentication requirements, exploit payload, or resulting impact. Security teams should avoid assuming exploitability until a vendor advisory, CNA record, proof of concept, or authoritative vulnerability database entry provides technical details.
How to fix it
No fixed versions or affected products are provided, so no specific patch action can be recommended from this record alone. Track the authoritative vendor or CNA advisory for affected version ranges and upgrade guidance. Once identified, prioritize upgrading to the vendor-fixed release, disabling the vulnerable feature if a patch is unavailable, restricting access to the affected interface, and applying compensating controls such as authentication enforcement, network segmentation, and monitoring.
How to confirm the fix worked
Validate exposure by confirming whether any products later named in authoritative advisories are present in the environment and comparing installed versions against the affected and fixed version ranges. Confirm remediation by verifying package, application, appliance, or firmware versions after patching; checking that vulnerable features or endpoints are disabled if mitigation was used; and reviewing vulnerability scanner plugins once they become available. In the absence of product details, scanner findings should be treated cautiously and validated against vendor guidance.
Typical attack path
- Identify whether any products in use are later confirmed as affected by the vulnerability.
- Determine whether the vulnerable component is reachable by an attacker, such as over the network, through a local interface, or via authenticated application functionality.
- If technical details become available, craft or obtain an exploit matching the vulnerable version and configuration.
- Trigger the vulnerable code path to achieve the documented impact, such as denial of service, privilege escalation, information disclosure, or code execution, depending on final advisory details.
- Perform follow-on activity only if the flaw provides access or control, such as persistence, lateral movement, or data access.
How to detect it
There are no reliable exploitation indicators from the provided record. To investigate possible exploitation later, collect and review logs from the ultimately affected product, web/application access logs if the vulnerable surface is HTTP-based, authentication logs if the flaw involves user interaction or privilege changes, endpoint telemetry for suspicious child processes or file writes, and network telemetry for unusual inbound requests to the vulnerable service. Because no threat actors, payloads, paths, process names, or exploit strings are provided, detection should be updated when vendor advisories or observed exploitation reports identify concrete artifacts.
What your security team should do
- Monitor NVD, the assigning CNA, vendor advisories, and threat intelligence feeds for publication of a description, affected products, affected versions, and fixed versions.
- Do not initiate emergency patching based solely on this sparse record; first establish whether any deployed technology is affected.
- Create a watchlist item for the CVE so vulnerability management workflows update automatically when affected products or scanner checks become available.
- If a critical or internet-facing product is later confirmed affected, reassess priority immediately and patch or mitigate according to vendor guidance.
- Tune detection only after technical details are available; avoid broad, speculative SIEM rules that are likely to generate false positives.
The record
ws is an open source WebSocket client and server for Node.js. All versions from 1.1.0 up to (but not including) 5.2.5, from 6.0.0 up to 6.2.4, from 7.0.0 up to 7.5.11, and from 8.0.0 up to 8.21.0 are affected by a memory exhaustion DoS vulnerability. A peer can send a high volume of exceptionally small fragments and data chunks, with modest network traffic, to force the remote peer into allocating and holding structural wrappers that consume far more memory than the default documented message-size limit, leading to process termination due to OOM. This issue has been fixed in versions 5.2.5, 6.2.4, 7.5.11, and 8.21.0.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | ws | 1.1.0 | 5.2.5 |
| npm | ws | 6.0.0 | 6.2.4 |
| npm | ws | 7.0.0 | 7.5.11 |
| npm | ws | 8.0.0 | 8.21.0 |
| openSUSE:Leap 16.0 | python-pydata-sphinx-theme | 0 | 0.16.1-bp160.2.1 |
| openSUSE:Tumbleweed | heroic-games-launcher | 0 | 2.22.0-3.1 |
| openSUSE:Tumbleweed | python-jupyter-ydoc | 0 | 3.5.0-1.1 |
| openSUSE:Tumbleweed | python-jupyterlab-templates | 0 | 0.5.3-2.1 |
| openSUSE:Tumbleweed | python-nbclassic | 0 | 1.3.3-2.1 |
Related vulnerabilities
- GHSA-96hv-2xvq-fx4p ws: Memory exhaustion DoS from tiny fragments and data chunks Same vulnerability
- GHSA-58qx-3vcg-4xpx ws: Uninitialized memory disclosure Also affects ws
- CVE-2026-45736 ws is an open source WebSocket client and server for Node.js. Also affects ws
- CVE-2024-37890 ws is an open source WebSocket client and server for Node.js. Also affects ws
- GHSA-5v72-xg48-5rpm Denial of Service in ws Also affects ws
- CVE-2026-13676 fast-uri versions 2.3.1 through 3.1.2 and 4.0.0 fail to canonicalize Unicode (IDN)… Also affects python-pydata-sphinx-theme
- CVE-2026-6321 fast-uri decoded percent-encoded path separators and dot segments before applying… Also affects python-pydata-sphinx-theme
- CVE-2026-13311 shell-quote prior to 1.8.5 finalizes parsed tokens in parse() using… Also affects heroic-games-launcher