CVE-2025-34157

CRITICALNVD 9.09.0—
EchelonGraph scoreMEDIUM confidence

Score 9.0 from GitHub Security Advisory (severity: CRITICAL) published 2025-08-27. NVD baseline CVSS 9.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.0Exploit: None knownExposed: 0

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

Coolify versions prior to v4.0.0-beta.420.6 are vulnerable to a stored cross-site scripting (XSS) attack in the project creation workflow. An authenticated user with low privileges can create a project with a maliciously crafted name containing embedded JavaScript. When an administrator attempts to delete the project or its associated resource, the payload executes in the admin’s browser context. This results in full compromise of the Coolify instance, including theft of API tokens, session cookies, and access to WebSocket-based terminal sessions on managed servers.

CVSS v3
9.0
EG Score
9.0(medium)
EG Risk
41(Track)
EG Risk 41/100SSVC: 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
Severity90% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
37%
KEV
Not listed

Published

August 27, 2025

Last Modified

July 14, 2026

Advisory Details (3)

Auto-updated Jul 14, 2026
🔬 Proof of concept available. Patch available. Sources: github_release.
github_release Patch Available

v4.0.0.-beta.420.7

Patch available: coollabsio/coolify v4.0.0-beta.420.7

https://github.com/coollabsio/coolify/releases/tag/v4.0.0-beta.420.7
generic🟡 PoC Available

GitHub - Eyodav/CVE-2025-34157: A stored XSS in the project delete flow allows execution of attacker-controlled JavaScript in an administrator’s browser when the admin attempts to delete a project created by a low-privileged user. This can lead to takeover of the Coolify instance (cookies, API tokens, WebSocket/terminal actions) · GitHub

https://github.com/Eyodav/CVE-2025-34157
generic

Coolify

https://coolify.io/

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 41× 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.

Showing the most recent 100 of 106 total refreshes for this CVE.

  1. 2026-08-07 16:26 UTCEPSS rescore
  2. 2026-08-06 13:46 UTCEPSS rescore
  3. 2026-08-04 15:09 UTCEPSS rescore
  4. 2026-08-04 10:37 UTCEPSS rescore
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  15. 2026-07-23 21:41 UTCOSV refresh
  16. 2026-07-23 02:54 UTCEG score recompute
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  1. 2026-07-18 10:04 UTCEPSS rescore
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  5. 2026-07-15 01:59 UTCEPSS rescore
  6. 2026-07-15 01:59 UTCEPSS rescore
  7. 2026-07-14 23:23 UTCNVD updateCVSS v3 → 9
  8. 2026-07-14 22:45 UTCMITRE cvelistV5CVSS v3 → 9.4
  9. 2026-07-13 22:29 UTCEPSS rescore
  10. 2026-07-13 22:29 UTCEPSS rescore
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  17. 2026-07-07 13:45 UTCEPSS rescore
  18. 2026-07-06 16:27 UTCEPSS rescore
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  20. 2026-07-06 16:11 UTCOSV refresh
  21. 2026-07-06 02:23 UTCEPSS rescore
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  23. 2026-07-04 06:30 UTCEPSS rescore
  24. 2026-07-01 15:06 UTCEPSS rescore
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  26. 2026-06-30 23:22 UTCEPSS rescore
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  30. 2026-06-28 04:55 UTCEPSS rescore
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  40. 2026-06-22 14:25 UTCEPSS rescore
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  42. 2026-06-21 14:56 UTCEPSS rescore
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  44. 2026-06-21 01:59 UTCEPSS rescore
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  46. 2026-06-19 19:25 UTCEPSS rescore
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  48. 2026-06-18 17:52 UTCEPSS rescore
  49. 2026-06-18 17:52 UTCEPSS rescore
  50. 2026-06-18 04:13 UTCOSV refresh
  51. 2026-06-17 17:52 UTCEPSS rescore
  52. 2026-06-16 17:52 UTCEPSS rescore
  53. 2026-06-16 17:52 UTCEPSS rescore
  54. 2026-06-14 23:17 UTCEPSS rescore
  55. 2026-06-13 23:00 UTCEPSS rescore
  56. 2026-06-12 23:11 UTCEPSS rescore
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  64. 2026-06-06 13:47 UTCEPSS rescore
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  66. 2026-06-05 22:46 UTCEPSS rescore
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  72. 2026-06-02 20:12 UTCEPSS rescore
  73. 2026-06-01 13:51 UTCEPSS rescore
  74. 2026-06-01 13:51 UTCEPSS rescore
  75. 2026-05-31 22:30 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2025-34157?
CVE-2025-34157 is a critical vulnerability published on August 27, 2025. Coolify versions prior to v4.0.0-beta.420.6 are vulnerable to a stored cross-site scripting (XSS) attack in the project creation workflow. An authenticated user with low privileges can create a project with a maliciously crafted name containing embedded JavaScript. When an administrator attempts to…
When was CVE-2025-34157 disclosed?
CVE-2025-34157 was first published in the National Vulnerability Database on August 27, 2025, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-34157 actively exploited?
CVE-2025-34157 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 63.2% of all scored CVEs.
What is the CVSS score of CVE-2025-34157?
CVE-2025-34157 has a CVSS v3 base score of 9.0 (NVD).
How do I remediate CVE-2025-34157?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-34157, 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.

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