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VulnerabilityPublished Updated

CVE-2026-70371: Koha · SQL Injection

Affects KohaSource CVE Database V5

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Not known to be exploited · CVSS 8.8 High.

Data as of 2 Nov 2026, 22:58 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 47% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Koha CommunityKohaAffected
  • <=24.11.17
  • >=25.05.00 <=25.05.12
  • >=25.11.00 <=25.11.06
  • >=26.05.00 <=26.05.01
Fixed in–

AI-suggested

Until an official fix is available, users should avoid exposing the vulnerable reports/issues_avg_stats.pl functionality to untrusted users and consider applying input validation or query parameterization as a temporary mitigation.

Description

Koha's reports/issues_avg_stats.pl builds dynamic SQL in sub calculate by concatenating several user-controlled request parameters directly into the query string. The Line and Column parameters are not validated against any whitelist and land verbatim in identifier positions (SELECT DISTINCTROW, GROUP BY, ORDER BY), and each Filter slot is concatenated raw into single-quoted LIKE, BETWEEN, and comparison fragments with no bound parameters.

References

Community reviews

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