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Back to active CVEs
High · CVSS 8.4CVE-2026-72696

Grav CMS before 2.0.16 Symlink Following via createLockFileCVE-2026-72696

Answer in brief

CVE-2026-72696 records a High severity (CVSS 8.4) vulnerability in Grav CMS before 2.0.16 Symlink Following via createLockFile. The current sources do not mark it as known exploited. The current feed maps getgrav/grav (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 25, 2026Updated Aug 31, 2026Source checked Oct 9, 2026First seen by HOL Aug 25, 2026Material review Aug 31, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.4
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 8.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps getgrav/grav (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
getgrav/gravgeneric>=0 <2.0.162.0.16

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for getgrav/grav.
  2. 2Review the reported fix. Update getgrav/grav to 2.0.16 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Aug 25, 2026

    Evidence: source:cvelist:source_dates:source-dates:record
  2. Source modified

    Aug 31, 2026

    Evidence: source:cvelist:source_dates:source-dates:record
  3. First seen by HOL

    Aug 25, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

Grav CMS before 2.0.16 contains a symlink following vulnerability in Scheduler Job::createLockFile() that allows local attackers to overwrite arbitrary files by pre-creating symlinks at predictable lock file paths in the world-writable temp directory. Attackers can place a symlink at the predictable lock path pointing to any file the web server process can write to, and the next scheduled job run will follow the symlink and overwrite the target file's content with the job ID string.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Nginx UI: Backup restore follows crafted symlinks into the live Nginx configuration path before restore flags are appliedAlso CWE-59
  • Denial of Service via Eager Array Allocation During Deserialization in GuavaSame generic ecosystem
  • Reachable assertion in illumos bhyve REP string instruction emulation allows guest to panic hostSame generic ecosystem
  • KodExplorer < 4.55 Path Traversal via unzip_pre_name() ZIP ExtractionSame generic ecosystem
  • SmarterMail < Build 9777 SysAdmin Remote Code Execution via Volume MountSame generic ecosystem
  • SmarterMail < Build 9777 Stored Mutation XSS via MathML Foreign ContentSame generic ecosystem

Record context

Vulnerability class
Path Traversal
EPSS
Not reported
CWE IDs
CWE-59
Source
CVE List V5
Source checked
Oct 9, 2026
References
2 linked sources
Open source record