Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-82603
n/a SeaCMS — SeaCMS Comment Cache member.php del_pl path traversal
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N L N N L L 2.1 .0044 36.2 —
AFFECTED
Product Versions Fixed
SeaCMS 13.0 – —
TIMELINE
Aug 30 Reserved by VulDB
Aug 31 Published (CNA: VulDB)
Sep 1 EXPLOIT PUBLISHED — CVE-2026-82603 (SeaCMS). Public exploit reference added.
Description
A vulnerability was detected in SeaCMS up to 13.6. This issue affects some unknown processing of the file /member.php?action=del_pl of the component Comment Cache. The manipulation of the argument itype/vid results in path traversal. The attack may be launched remotely. The exploit is now public and may be used.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| August 30, 2026 | Reserved | Reserved by VulDB |
| August 31, 2026 | Published | Published (CNA: VulDB) |
| September 1, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-82603 (SeaCMS). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| n/a | SeaCMS | — | 13.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-82603 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.