CVE-2026-7317Public exploitNetwork attack vector

Object injection via unsigned cache deserialization

Published Apr 28, 2026 · Updated Apr 28, 2026

Insecure deserialization in Grav 1.7.49.0 through 1.7.49.5 and 2.0.0-beta.0 through 2.0.0-beta.1 allows object injection. FileCache::doGet passes unsigned cache-file content to unserialize with all classes allowed, enabling object instantiation and magic-method execution. Exploitation requires remote authenticated users to poison or tamper with a cache file and a plugin or downstream consumer to invoke FileCache, which is not Grav's main cache path.

CVSS severity5.0
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Insecure deserialization in Grav 1.7.49.0 through 1.7.49.5 and 2.0.0-beta.0 through 2.0.0-beta.1 allows object injection. FileCache::doGet passes unsigned cache-file content to unserialize with all classes allowed, enabling object instantiation and magic-method execution. Exploitation requires remote authenticated users to poison or tamper with a cache file and a plugin or downstream consumer to invoke FileCache, which is not Grav's main cache path.

The record

CVE
CVE-2026-7317
Published
Apr 28, 2026
Updated
Apr 28, 2026
Vendor
Grav
Product
Grav
Classifications
CWE-20, CWE-502
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 28, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.7.49.0
  2. Affected versionversion=1.7.49.1
  3. Affected versionversion=1.7.49.2
  4. Affected versionversion=1.7.49.3
  5. Affected versionversion=1.7.49.4
  6. Affected versionversion=1.7.49.5
  7. Affected versionversion=2.0.0-beta.0
  8. Affected versionversion=2.0.0-beta.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Grav · Gravversion=1.7.49.0; version=1.7.49.1; version=1.7.49.2; version=1.7.49.3; version=1.7.49.4; version=1.7.49.5; version=2.0.0-beta.0; version=2.0.0-beta.1

Published CVSS scores

4.6VulDB CNAAV:N/AC:H/Au:S/C:P/I:P/A:P
1.3NIST NVDCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
5.0VulDB CNACVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-20Improper Input Validation
CWE-502Deserialization of Untrusted Data

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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