How severe is CVE-2026-105268?

CVE-2026-105268 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-105268 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-105268?

CVE-2026-105268 affects Gitea. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-105268?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-105268 published?

CVE-2026-105268 was published on 2026-10-06 and last updated on 2026-10-13.

CVE-2026-105268

CVE-2026-105268 is a medium-severity vulnerability in Gitea with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-639
Affected product: Gitea
Published: 2026-10-06
Last modified: 2026-10-13

Description

The Gitea API routes for issue attachments (`/api/v1/repos/{owner}/{repo}/issues/{index}/assets/{attachment_id}`) also accepted attachments that belong to comments on the issue. Because the author of an issue may edit and delete the issue's attachments, a user who opened an issue could rename or delete attachments that other users had posted in comments on that issue. The contents of the attachments could not be changed.

Frequently asked questions

What is CVE-2026-105268?: The Gitea API routes for issue attachments (`/api/v1/repos/{owner}/{repo}/issues/{index}/assets/{attachment_id}`) also accepted attachments that belong to comments on the issue. Because the author of an issue may edit and delete the issue's attachments, a user who opened an issue could rename or delete attachments that other users had posted in comments on that issue. The contents of the attachments could not be changed.
How severe is CVE-2026-105268?: CVE-2026-105268 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-105268 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-105268?: CVE-2026-105268 affects Gitea. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-105268?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-105268 published?: CVE-2026-105268 was published on 2026-10-06 and last updated on 2026-10-13.

References

Affected products (1)

cpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*

More vulnerabilities in Gitea

CVE-2026-94205 — Critical (CVSS 9.8): Gitea Actions decided whether a fork pull request run needed approval based on the user who triggered the event rather…
CVE-2026-73278 — Critical (CVSS 9.8): Gitea's OAuth2 and OpenID Connect sign-in paths do not require a WebAuthn challenge when WebAuthn is the account's only…
CVE-2026-60004 — Critical (CVSS 9.8): Gitea before 1.27.1 allows remote code execution via the diffpatch API through Git hook installation.
CVE-2022-42968 — Critical (CVSS 9.8): Gitea before 1.17.3 does not sanitize and escape refs in the git backend. Arguments to git commands are mishandled.
CVE-2021-45331 — Critical (CVSS 9.8): An Authentication Bypass vulnerability exists in Gitea before 1.5.0, which could let a malicious user gain privileges.…
CVE-2021-45330 — Critical (CVSS 9.8): An issue exsits in Gitea through 1.15.7, which could let a malicious user gain privileges due to client side cookies…

All CVEs affecting Gitea →

Other CWE-639 (Authorization Bypass Through User-Controlled Key (IDOR)) vulnerabilities

CVE-2024-34323 — Critical (CVSS 10.0): ProPhoenix Law RMS v2022.2403.3.101 was discovered to contain an Insecure Direct Object Reference (IDOR) via the…
CVE-2026-69865 — Critical (CVSS 10.0): Authorization bypass through user-controlled key in Microsoft Container Registry allows an unauthorized attacker to…
CVE-2026-83711 — Critical (CVSS 10.0): Authorization bypass through user-controlled key in Microsoft Azure Active Directory B2C allows an unauthorized…
CVE-2026-77998 — Critical (CVSS 10.0): Joomla Extension - miniorange.com - Unauthenticated Authentication Bypass via SAMLResponse Parameter in miniOrange SAML…
CVE-2026-77995 — Critical (CVSS 10.0): Joomla Extension - miniorange.com - Arbitrary account takeover in miniOrange OAuth Client < 3.2.0, OAuth Single Sign-On…
CVE-2025-40805 — Critical (CVSS 10.0): Affected devices do not properly enforce user authentication on specific API endpoints. This could facilitate an…

Browse all CWE-639 (Authorization Bypass Through User-Controlled Key (IDOR)) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

117.24.243.99 (ipv4-addr)