CVE-2026-63077

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-27. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

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

In JetBrains TeamCity before 2026.1.3, 2025.11.7 unauthenticated remote code execution was possible via the agent polling protocol

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
47%
KEV
Not listed

Published

July 27, 2026

Last Modified

July 28, 2026

Advisory Details (1)

Auto-updated Jul 28, 2026
No patch confirmed yet.
generic

Fixed security issues

https://www.jetbrains.com/privacy-security/issues-fixed/

Vendor Advisories for CVE-2026-63077(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 24× in last 7d / 24× 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 22:59 UTCGHSA enrichment
  2. 2026-07-29 18:37 UTCGHSA enrichment
  3. 2026-07-29 14:16 UTCGHSA enrichment
  4. 2026-07-29 09:56 UTCGHSA enrichment
  5. 2026-07-29 05:36 UTCGHSA enrichment
  6. 2026-07-29 01:12 UTCGHSA enrichment
  7. 2026-07-28 20:51 UTCGHSA enrichment
  8. 2026-07-28 16:30 UTCEG score recompute
  9. 2026-07-28 16:30 UTCGHSA enrichment
  10. 2026-07-28 15:37 UTCEPSS rescore
  11. 2026-07-28 14:18 UTCGHSA enrichment
  12. 2026-07-28 09:57 UTCGHSA enrichment
  13. 2026-07-28 05:37 UTCEG score recompute
  14. 2026-07-28 05:37 UTCGHSA enrichment
  15. 2026-07-28 04:36 UTCEG score recompute
  16. 2026-07-28 04:35 UTCGHSA enrichment
  17. 2026-07-28 03:08 UTCGHSA enrichment
  18. 2026-07-27 22:49 UTCEG score recompute
  19. 2026-07-27 22:49 UTCGHSA enrichment
  20. 2026-07-27 18:21 UTCEG score recompute
  21. 2026-07-27 17:36 UTCEG score recompute
  22. 2026-07-27 17:19 UTCEG score recompute
  23. 2026-07-27 17:00 UTCEG score recompute
  24. 2026-07-27 17:00 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-63077?
CVE-2026-63077 is a critical vulnerability published on July 27, 2026. In JetBrains TeamCity before 2026.1.3, 2025.11.7 unauthenticated remote code execution was possible via the agent polling protocol
When was CVE-2026-63077 disclosed?
CVE-2026-63077 was first published in the National Vulnerability Database on July 27, 2026, with the most recent update on July 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-63077 actively exploited?
CVE-2026-63077 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 52.6% of all scored CVEs.
What is the CVSS score of CVE-2026-63077?
CVE-2026-63077 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-63077?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-63077, 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-2026-63077

Explore →

Is Your Infrastructure Affected by CVE-2026-63077?

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

Start Free Scan →Browse All CVEs