CVE-2026-27830
unknown
CVSS v3
—
CVSS v4 NEW
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VIR risk
—
Description
c3p0 vulnerable to Remote Code Execution via unsafe deserialization of userOverridesAsString property
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | forky | affected | |
| debian | sid | affected | |
| debian | trixie | affected | |
| sles | affected | |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | com.mchange:c3p0 | <0.12.0 | 0.12.0 |
References
- https://security-tracker.debian.org/tracker/CVE-2026-27830
- https://github.com/swaldman/c3p0/security/advisories/GHSA-5476-xc4j-rqcv
- https://nvd.nist.gov/vuln/detail/CVE-2026-27830
- https://github.com/swaldman/c3p0/commit/e14cbd8166e423e2e9a9d6f08b2add3433492d6e
- https://github.com/swaldman/c3p0
- https://mogwailabs.de/en/blog/2025/02/c3p0-you-little-rascal
- https://www.mchange.com/projects/c3p0/#configuring_security
- https://www.mchange.com/projects/c3p0/#security-note
- https://www.suse.com/security/cve/CVE-2026-27830.html
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.