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Fencer Intel
medium 6.8

CVE-2009-5026 json

The executable comment feature in MySQL 5.0.x before 5.0.93 and 5.1.x before 5.1.50, when running in certain slave configurations in which…

published 14y ago modified 4mo ago also EUVD-2009-4984

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.8%
EPSS 7.8% chance of exploitation in 30 days, percentile 94%
public exploits
1
Exploit-DB

Summary

The executable comment feature in MySQL 5.0.x before 5.0.93 and 5.1.x before 5.1.50, when running in certain slave configurations in which the slave is running a newer version than the master, allows remote attackers to execute arbitrary SQL commands via custom comments.

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Timeline

  1. First public exploit (EDB-34796)
  2. Published

Exploit prediction

7.76% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-34796 Oracle MySQL < 5.1.50 - Privilege Escalation remote, 2010-08-03
  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=640177 referenced PoC, tagged "exploit" by a source, unverified
  • bugs.mysql.com http://bugs.mysql.com/bug.php?id=49124 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.