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VulnerabilityPublished

CVE-2026-76979: Zohocorp ManageEngine OpManager · XML Injection

Affects Zohocorp ManageEngine OpManagerSource CVE Database V5

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Not known to be exploited · CVSS 7.7 High : upgrade to 12.8.710 soon.

Data as of 6 Nov 2026, 23:24 UTC

CVSS 3.1 base score
7.7High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
2.0% chance of exploitation in 30 days – higher than 81% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 12.8.710
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 Sep 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 7 Nov 2026.

What to do

Upgrade ManageEngine to 12.8.710.

Affected software

ProductAffectedFixed in
ZohocorpManageEngine OpManagerAffected
  • <12.8.710
Fixed in
  • 12.8.710
ZohoCorpManageEngine Firewall AnalyzerAffected
  • <12.8.710
Fixed in
  • 12.8.710

AI-suggested

If you cannot patch yet, consider restricting access to the affected feature to trusted users only.

Description

ManageEngine OpManager versions 12.8.709 and below contain an XML Injection vulnerability (CWE-91) in the Rule Tracking Compare Policies feature. This vulnerability allows an attacker with low privileges to perform blind XPath injection, potentially leading to unauthorized data disclosure. The vulnerability has a high severity with a CVSS score of 7.7.

References

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