CVE-2026-16910

MEDIUMPre-NVD 5.55.5—
EchelonGraph scoreHIGH confidence

Score 5.5 from GitHub Security Advisory published 2026-07-24. a secondary CVSS source baseline 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A flaw was found in Red Hat Quay's notification webhook feature. The Slack and generic webhook notification handlers accept user-supplied URLs without SSRF validation, allowing a repository administrator to make the Quay worker issue POST requests to internal network addresses or cloud infrastructure endpoints that should not be reachable from the application.

CVSS v3
5.5
EG Score
5.5(high)
EG Risk
25(Track)
EG Risk 25/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity55% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
12%
KEV
Not listed

Published

July 24, 2026

Last Modified

July 24, 2026

Advisory Details (2)

Auto-updated Jul 24, 2026
Patch available. Sources: redhat.
redhat

2506685 – (CVE-2026-16910) CVE-2026-16910 quay: SSRF in Red Hat Quay notification webhooks (Slack/generic)

https://bugzilla.redhat.com/show_bug.cgi?id=2506685
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2026-16910

Vendor Advisories for CVE-2026-16910(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 16× in last 7d / 16× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-29 06:15 UTCEG score recompute
  2. 2026-07-29 06:15 UTCGHSA enrichment
  3. 2026-07-28 05:12 UTCEG score recompute
  4. 2026-07-28 05:12 UTCGHSA enrichment
  5. 2026-07-27 14:13 UTCEPSS rescore
  6. 2026-07-27 04:08 UTCEG score recompute
  7. 2026-07-27 04:08 UTCGHSA enrichment
  8. 2026-07-26 14:54 UTCEPSS rescore
  9. 2026-07-26 14:54 UTCEPSS rescore
  10. 2026-07-26 03:04 UTCEG score recompute
  11. 2026-07-26 03:04 UTCGHSA enrichment
  12. 2026-07-25 14:17 UTCEPSS rescore
  13. 2026-07-25 14:17 UTCEPSS rescore
  14. 2026-07-24 14:17 UTCEPSS rescore
  15. 2026-07-24 07:27 UTCEG score recompute
  16. 2026-07-24 07:26 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-16910?
CVE-2026-16910 is a medium vulnerability published on July 24, 2026. A flaw was found in Red Hat Quay's notification webhook feature. The Slack and generic webhook notification handlers accept user-supplied URLs without SSRF validation, allowing a repository administrator to make the Quay worker issue POST requests to internal network addresses or cloud…
When was CVE-2026-16910 disclosed?
CVE-2026-16910 was first published in the National Vulnerability Database on July 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16910 actively exploited?
CVE-2026-16910 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 88.2% of all scored CVEs.
What is the CVSS score of CVE-2026-16910?
CVE-2026-16910 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-16910?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16910, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-16910

Explore →

Is Your Infrastructure Affected by CVE-2026-16910?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs