CVE-2025-55010

CRITICALNVD 9.19.1—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.1 under NVD CVSS v3. EPSS exploit probability: 0.9%, top 43% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Trending — 3 sources updated this weekElevated
9.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.1Exploit: NoneExposed: 0

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

Kanboard is project management software that focuses on the Kanban methodology. Prior to version 1.2.47, an unsafe deserialization vulnerability in the ProjectEventActvityFormatter allows admin users the ability to instantiate arbitrary php objects by modifying the event["data"] field in the project_activities table. A malicious actor can update this field to use a php gadget to write a web shell into the /plugins folder, which then gives remote code execution on the host system. This issue has been patched in version 1.2.47.

CVSS v3
9.1
EG Score
9.1(medium)
EG Risk
57(Track*)
EG Risk 57/100SSVC: 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
Severity91% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
57.0%
KEV
Not listed

Published

August 12, 2025

Last Modified

August 22, 2025

Advisory Details (3)

Auto-updated Jul 21, 2026
🔬 Proof of concept available. Patch available. Sources: github_commit, github.
github Patch Available🟡 PoC Available

Authenticated Admin Remote Code Execution via Unsafe Deserialization of Events · Advisory · kanboard/kanboard · GitHub

https://github.com/kanboard/kanboard/security/advisories/GHSA-359x-c69j-q64r
github_commit Patch Available

commit 7148ac092e5d (kanboard/kanboard)

Patch available: kanboard/kanboard v1.2.47 (contains commit 7148ac092e5d)

https://github.com/kanboard/kanboard/commit/7148ac092e5db6b33e0fc35e04bca328d96c1f6f
generic

kanboard/app/Formatter/ProjectActivityEventFormatter.php at b033c0e0f982f8158e240bce8ab54c29727f8efe · kanboard/kanboard · GitHub

https://github.com/kanboard/kanboard/blob/b033c0e0f982f8158e240bce8ab54c29727f8efe/app/Formatter/ProjectActivityEventFormatter.php#L43-L57

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 44× 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. 2026-07-25 14:17 UTCEPSS rescore
  2. 2026-07-24 14:17 UTCEPSS rescore
  3. 2026-07-23 22:41 UTCOSV refresh
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  5. 2026-07-23 02:58 UTCEG score recompute
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  1. 2026-07-08 15:15 UTCEPSS rescore
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  3. 2026-07-06 17:21 UTCOSV refresh
  4. 2026-07-06 16:27 UTCEPSS rescore
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  50. 2026-06-06 13:47 UTCEPSS rescore
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  66. 2026-05-30 00:37 UTCEG score recompute
  67. 2026-05-29 13:44 UTCEPSS rescore

Frequently asked(5)

What is CVE-2025-55010?
CVE-2025-55010 is a critical vulnerability published on August 12, 2025. Kanboard is project management software that focuses on the Kanban methodology. Prior to version 1.2.47, an unsafe deserialization vulnerability in the ProjectEventActvityFormatter allows admin users the ability to instantiate arbitrary php objects by modifying the event["data"] field in the…
When was CVE-2025-55010 disclosed?
CVE-2025-55010 was first published in the National Vulnerability Database on August 12, 2025, with the most recent update on August 22, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-55010 actively exploited?
CVE-2025-55010 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 57.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-55010?
CVE-2025-55010 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2025-55010?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-55010, 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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