Security Digest · Vulnerability record

CVE-2026-25718: Gitea template repository generation follows unsafe filesystem paths

Gitea versions before 1.25.5 mishandle path resolution during template repository generation, allowing template processing to read or write through symlinked or otherwise non-regular paths.

CVSS 9.1 Critical EPSS 0.6% · p46

Should you act?

Critical and remotely reachable

No known exploitation yet, but it is network-reachable without credentials. This signal is computed from CISA KEV, EPSS and CVSS data; it is not an editorial verdict.

  • No confirmed exploitation. It is not in CISA’s KEV catalog and CISA’s SSVC assessment records no known exploitation. That can change quickly after a public write-up; re-check if you are affected.
  • EPSS 0.6%, percentile 46: FIRST’s model estimates a 0.6% chance of exploitation activity in the next 30 days, higher than 46% of all scored CVEs (low). EPSS is a probability, not a verdict.
  • Remotely reachable with no login and no user interaction. If the vulnerable service is exposed to the internet, prioritize it.
  • Only applies if your dependency tree includes code.gitea.io/gitea (Go) < 1.25.5, fixed in 1.25.5. Check your lockfile, including transitive dependencies.

What it is

Gitea versions before 1.25.5 mishandle path resolution during template repository generation, allowing template processing to read or write through symlinked or otherwise non-regular paths.

From the GitHub advisory

Gitea versions before 1.25.5 mishandle path resolution during template repository generation, allowing template processing to read or write through symlinked or otherwise non-regular paths.

Weakness type: CWE-59.

Product: code.gitea.io/gitea (Go) · Assigned by: Gitea · Published: 2026-07-03

Affected and fixed versions

EcosystemPackageVulnerableFirst fixed
Gocode.gitea.io/gitea< 1.25.51.25.5
VendorProductAffected versions (per CVE record)
GiteaGitea Open Source Git Server< 1.25.5

Severity scores

Scored byCVSSScoreVector
CISA-ADP3.19.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
GitHub3.19.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
  • Attack vector: network (remotely reachable)
  • Attack complexity: low
  • Privileges required: none (no login)
  • User interaction: none
  • Scope: unchanged

CVSS measures how bad a flaw is if exploited, not how likely exploitation is. Read it next to the exploitation data below.

Exploitation and urgency

  • CISA KEV: not listed (no confirmed in-the-wild exploitation known to CISA).
  • CISA SSVC assessment: exploitation none, automatable yes, technical impact total.
  • FIRST EPSS (model of 2026-10-21): 0.56% probability of exploitation activity in the next 30 days; percentile 46.

Timeline

  • — CVE record published by Gitea
  • — GitHub-reviewed advisory GHSA-h697-89cp-24q8 published (critical)
  • — CVE record last updated

Sources and references

Original sources first. Version and fix details should always be confirmed against the vendor or project advisory.

Vendor and project advisories, patches

  1. GitHub Pull Request #36734 github.com
  2. GitHub Pull Request #36746 github.com
  3. Gitea v1.25.5 Release github.com
  4. Gitea v1.25.5 Release Blog Post blog.gitea.com

Vulnerability records

  1. GitHub Advisory GHSA-h697-89cp-24q8 github.com
  2. CVE.org record CVE-2026-25718 cve.org
  3. NVD entry CVE-2026-25718 nvd.nist.gov

Other references from the CVE record and advisory

  1. github.com github.com
  2. github.com github.com

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