[UPDATE] [medium] Gitea: Multiple vulnerabilities

CSIRTS triage

What

An attacker can exploit multiple vulnerabilities in Gitea to bypass security measures, manipulate data, disclose confidential information, trigger a Denial-of-Service condition, or carry out other unspecified attacks.

Who is affected

Deployments of Gitea are affected by these vulnerabilities.

Urgency

Remediation is urgent due to the potential for various attacks including Denial-of-Service.

Action

Update to the latest version of Gitea to mitigate these vulnerabilities.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source

CERT-Bund (BSI) Security Advisories (DE · national-cert · site)

Severity

medium

Published

2026-07-08

Exploitation

Not in CISA KEV at last sync

Language

Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0737

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

• Low exploitation riskCVE-2026-209090.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all scored CVEs.
• Low exploitation riskCVE-2026-225470.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 29% of all scored CVEs.
• Low exploitation riskCVE-2026-246900.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 24% of all scored CVEs.
• Low exploitation riskCVE-2026-257120.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all scored CVEs.
• Low exploitation riskCVE-2026-257180.43% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 35% of all scored CVEs.
• Low exploitation riskCVE-2026-257790.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 16% of all scored CVEs.
• Low exploitation riskCVE-2026-257820.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all scored CVEs.
• Low exploitation riskCVE-2026-262320.38% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all scored CVEs.
• Low exploitation riskCVE-2026-262470.38% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all scored CVEs.
• Low exploitation riskCVE-2026-262920.48% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 38% of all scored CVEs.

Referenced CVEs

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

• mediumCVE-2026-28705: Gitea versions before 1.25.5 use release tag names and asset names as filesystem path componen…nvd
• highCVE-2026-27779: Gitea versions before 1.25.5 accept malformed or injected forwarded-proto values when detectin…nvd
• highCVE-2026-27660: Gitea versions before 1.25.5 allow draft release data or attachments to be accessed without th…nvd
• highCVE-2026-27657: Gitea versions before 1.25.5 allow a user to change another user's primary email address.nvd
• highCVE-2026-26307: Gitea versions before 1.25.5 do not enforce a timeout on git grep searches, allowing expensive…nvd
• criticalCVE-2026-26292: Gitea versions before 1.25.5 do not use the migration HTTP transport for LFS push and sync mir…nvd
• criticalCVE-2026-26247: Gitea versions before 1.25.5 do not persist the OAuth2 PKCE S256 challenge method correctly du…nvd
• criticalCVE-2026-26232: Gitea versions before 1.25.5 do not consistently enforce OAuth2 authorization code expiry and …nvd
• mediumCVE-2026-25782: Gitea versions before 1.25.5 look up tracked-time entries by time ID without scoping the looku…nvd
• mediumCVE-2026-25779: Gitea versions up to and including 1.25.4 allow redirect bypasses through raw or percent-encod…nvd
• criticalCVE-2026-25718: Gitea versions before 1.25.5 mishandle path resolution during template repository generation, …nvd
• highCVE-2026-25712: Gitea versions before 1.25.5 have insufficient visibility checks in organization permission AP…nvd

Recent advisories for Gitea

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

• high[UPDATE] [high] Gitea: Vulnerability allows bypassing of security measurescert-bund · 2026-07-09
• high[UPDATE] [high] Gitea: Multiple vulnerabilitiescert-bund · 2026-07-06
• high[UPDATE] [high] Gitea: Multiple vulnerabilitiescert-bund · 2026-07-06
• high[UPDATE] [high] Gitea: Multiple vulnerabilitiescert-bund · 2026-07-06
• medium[UPDATE] [medium] Gitea: Multiple vulnerabilitiescert-bund · 2026-07-06
• medium[UPDATE] [medium] Gitea: Multiple vulnerabilitiescert-bund · 2026-07-06

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