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CVE-2026-27657

Gitea email settings allow changing another user's primary email address

7.5 HighFix available

Gitea versions before 1.25.5 allow a user to change another user's primary email address.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
None

Exploit likelihood

0.45%Up 0.3 points since Jul 4, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.5

Gitea email settings allow changing another user's primary email address

Gitea versions before 1.25.5 allow a user to change another user's primary email address.

Record
CVE-2026-27657
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-639
Updated
2026-11-02
EUVDEUVD-2026-41632 7.5

Gitea versions before 1.25.5 allow a user to change another user's primary email address.

Record
EUVD-2026-41632
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-4c8f-3m6h-m56r 7.5

Gitea primary email ownership bypass allows cross-user email changes

Gitea versions before 1.25.5 allow a user to change another user's primary email address.

Record
GHSA-4c8f-3m6h-m56r
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-639
Updated
2026-11-02
NVD 7.5

Gitea versions before 1.25.5 allow a user to change another user's primary email address.

Record
CVE-2026-27657
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-639
Updated
2026-11-02
OSV 7.5

Gitea email settings allow changing another user's primary email address

Gitea versions before 1.25.5 allow a user to change another user's primary email address.

Record
CVE-2026-27657
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-639
Updated
2026-11-02
OSVGHSA-4c8f-3m6h-m56r 7.5

Gitea primary email ownership bypass allows cross-user email changes

Gitea versions before 1.25.5 allow a user to change another user's primary email address.

Record
GHSA-4c8f-3m6h-m56r
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-639
Updated
2026-11-02
Show 4 moreShow less
OSVGO-2026-6335 No score

Gitea primary email ownership bypass allows cross-user email changes in code.gitea.io/gitea

Gitea primary email ownership bypass allows cross-user email changes in code.gitea.io/gitea

Record
GO-2026-6335
Updated
2026-11-02
OSVopenSUSE-SU-2026:21812-1 No score

Security update for govulncheck-vulndb

This update for govulncheck-vulndb fixes the following issues:

  • Update to version 0.0.20260902T191204 2026-09-02T19:12:04Z (jsc#PED-11136).

Go CVE Numbering Authority IDs added or updated with aliases:

  • GO-2026-6305 CVE-2026-55834 GHSA-2wvm-8mvp-22qv
  • GO-2026-6306 CVE-2026-55064 GHSA-44v6-7fxq-vgf4
  • GO-2026-6307 CVE-2026-55067 GHSA-569v-q83c-3j3g
  • GO-2026-6308 CVE-2026-55066 GHSA-5pg6-m483-7vrg
  • GO-2026-6309 CVE-2026-54746 GHSA-8x7x-83cf-c3pg
  • GO-2026-6310 CVE-2026-54755 GHSA-cgc5-v3f2-8m2v
  • GO-2026-6311 CVE-2026-54766 GHSA-f27p-pw2p-9pr4
  • GO-2026-6312 CVE-2026-55108 GHSA-fmgp-q6jx-gg3x
  • GO-2026-6313 CVE-2026-55065 GHSA-gg93-x632-9ccv
  • GO-2026-6314 CVE-2026-55569 GHSA-mf5c-hw34-4hpp
  • GO-2026-6315 CVE-2026-54754 GHSA-p7gw-2pcp-5pf8
  • GO-2026-6316 CVE-2026-55068 GHSA-x8mj-6p3q-g5pp
  • GO-2026-6317 CVE-2026-55588 GHSA-298f-872v-2rcx
  • GO-2026-6318 CVE-2026-55621 GHSA-64f3-v33m-w89f
  • GO-2026-6319 CVE-2026-55622 GHSA-c9f5-j9c3-mhrg
  • GO-2026-6320 CVE-2026-55245 GHSA-w98g-5w9p-p3rc
  • GO-2026-6321 CVE-2026-55484 GHSA-hr6j-w4mw-g9mj
  • GO-2026-6322 CVE-2026-55678 GHSA-p378-jp5r-gpgw
  • GO-2026-6323 CVE-2026-55763 GHSA-v358-wf77-39xv
  • GO-2026-6324 CVE-2026-55761 GHSA-x626-fcwx-f5pc
  • GO-2026-6325 CVE-2026-27878 GHSA-6xff-cpcq-vpw2
  • GO-2026-6326 CVE-2026-55784 GHSA-334q-h5g3-fpxv
  • GO-2026-6327 CVE-2026-55874 GHSA-56wq-x3wv-3ff4
  • GO-2026-6328 CVE-2026-55785 GHSA-fp46-6vfw-gc9c
  • GO-2026-6329 CVE-2026-55873 GHSA-hgpf-8634-g44c
  • GO-2026-6330 CVE-2026-55764 GHSA-mrpp-v6pg-p54x
  • GO-2026-6333 CVE-2026-25712 GHSA-37w2-86g3-h4qh
  • GO-2026-6334 CVE-2026-24690 GHSA-47rq-xp99-92mx
  • GO-2026-6335 CVE-2026-27657 GHSA-4c8f-3m6h-m56r
  • GO-2026-6336 CVE-2026-26232 GHSA-5v69-g2m3-3hq3
  • GO-2026-6337 CVE-2026-28705 GHSA-7jvx-g65v-r899
  • GO-2026-6338 CVE-2026-22547 GHSA-922f-hfwp-p56f
  • GO-2026-6339 CVE-2026-20909 GHSA-fhq3-p242-2qpf
  • GO-2026-6340 CVE-2026-25718 GHSA-h697-89cp-24q8
  • GO-2026-6341 CVE-2026-26307 GHSA-h9c5-x7g8-4q7f
  • GO-2026-6342 CVE-2026-26247 GHSA-m5ch-ppfx-xv3v
  • GO-2026-6354 CVE-2026-78662
  • GO-2026-6355 CVE-2026-56855
  • Update to version 0.0.20260828T144745 2026-08-28T14:47:45Z.
  • GO-2026-6303 CVE-2026-56854
Record
openSUSE-SU-2026:21812-1
Updated
2026-11-02
OSVSUSE-SU-2026:23692-1 No score

Security update for govulncheck-vulndb

This update for govulncheck-vulndb fixes the following issues:

  • Update to version 0.0.20260902T191204 2026-09-02T19:12:04Z (jsc#PED-11136).

Go CVE Numbering Authority IDs added or updated with aliases:

  • GO-2026-6305 CVE-2026-55834 GHSA-2wvm-8mvp-22qv
  • GO-2026-6306 CVE-2026-55064 GHSA-44v6-7fxq-vgf4
  • GO-2026-6307 CVE-2026-55067 GHSA-569v-q83c-3j3g
  • GO-2026-6308 CVE-2026-55066 GHSA-5pg6-m483-7vrg
  • GO-2026-6309 CVE-2026-54746 GHSA-8x7x-83cf-c3pg
  • GO-2026-6310 CVE-2026-54755 GHSA-cgc5-v3f2-8m2v
  • GO-2026-6311 CVE-2026-54766 GHSA-f27p-pw2p-9pr4
  • GO-2026-6312 CVE-2026-55108 GHSA-fmgp-q6jx-gg3x
  • GO-2026-6313 CVE-2026-55065 GHSA-gg93-x632-9ccv
  • GO-2026-6314 CVE-2026-55569 GHSA-mf5c-hw34-4hpp
  • GO-2026-6315 CVE-2026-54754 GHSA-p7gw-2pcp-5pf8
  • GO-2026-6316 CVE-2026-55068 GHSA-x8mj-6p3q-g5pp
  • GO-2026-6317 CVE-2026-55588 GHSA-298f-872v-2rcx
  • GO-2026-6318 CVE-2026-55621 GHSA-64f3-v33m-w89f
  • GO-2026-6319 CVE-2026-55622 GHSA-c9f5-j9c3-mhrg
  • GO-2026-6320 CVE-2026-55245 GHSA-w98g-5w9p-p3rc
  • GO-2026-6321 CVE-2026-55484 GHSA-hr6j-w4mw-g9mj
  • GO-2026-6322 CVE-2026-55678 GHSA-p378-jp5r-gpgw
  • GO-2026-6323 CVE-2026-55763 GHSA-v358-wf77-39xv
  • GO-2026-6324 CVE-2026-55761 GHSA-x626-fcwx-f5pc
  • GO-2026-6325 CVE-2026-27878 GHSA-6xff-cpcq-vpw2
  • GO-2026-6326 CVE-2026-55784 GHSA-334q-h5g3-fpxv
  • GO-2026-6327 CVE-2026-55874 GHSA-56wq-x3wv-3ff4
  • GO-2026-6328 CVE-2026-55785 GHSA-fp46-6vfw-gc9c
  • GO-2026-6329 CVE-2026-55873 GHSA-hgpf-8634-g44c
  • GO-2026-6330 CVE-2026-55764 GHSA-mrpp-v6pg-p54x
  • GO-2026-6333 CVE-2026-25712 GHSA-37w2-86g3-h4qh
  • GO-2026-6334 CVE-2026-24690 GHSA-47rq-xp99-92mx
  • GO-2026-6335 CVE-2026-27657 GHSA-4c8f-3m6h-m56r
  • GO-2026-6336 CVE-2026-26232 GHSA-5v69-g2m3-3hq3
  • GO-2026-6337 CVE-2026-28705 GHSA-7jvx-g65v-r899
  • GO-2026-6338 CVE-2026-22547 GHSA-922f-hfwp-p56f
  • GO-2026-6339 CVE-2026-20909 GHSA-fhq3-p242-2qpf
  • GO-2026-6340 CVE-2026-25718 GHSA-h697-89cp-24q8
  • GO-2026-6341 CVE-2026-26307 GHSA-h9c5-x7g8-4q7f
  • GO-2026-6342 CVE-2026-26247 GHSA-m5ch-ppfx-xv3v
  • GO-2026-6354 CVE-2026-78662
  • GO-2026-6355 CVE-2026-56855
  • Update to version 0.0.20260828T144745 2026-08-28T14:47:45Z.
  • GO-2026-6303 CVE-2026-56854
Record
SUSE-SU-2026:23692-1
Updated
2026-11-02
OSVSUSE-SU-2026:23712-1 No score

Security update for govulncheck-vulndb

This update for govulncheck-vulndb fixes the following issues:

  • Update to version 0.0.20260902T191204 2026-09-02T19:12:04Z (jsc#PED-11136).

Go CVE Numbering Authority IDs added or updated with aliases:

  • GO-2026-6305 CVE-2026-55834 GHSA-2wvm-8mvp-22qv
  • GO-2026-6306 CVE-2026-55064 GHSA-44v6-7fxq-vgf4
  • GO-2026-6307 CVE-2026-55067 GHSA-569v-q83c-3j3g
  • GO-2026-6308 CVE-2026-55066 GHSA-5pg6-m483-7vrg
  • GO-2026-6309 CVE-2026-54746 GHSA-8x7x-83cf-c3pg
  • GO-2026-6310 CVE-2026-54755 GHSA-cgc5-v3f2-8m2v
  • GO-2026-6311 CVE-2026-54766 GHSA-f27p-pw2p-9pr4
  • GO-2026-6312 CVE-2026-55108 GHSA-fmgp-q6jx-gg3x
  • GO-2026-6313 CVE-2026-55065 GHSA-gg93-x632-9ccv
  • GO-2026-6314 CVE-2026-55569 GHSA-mf5c-hw34-4hpp
  • GO-2026-6315 CVE-2026-54754 GHSA-p7gw-2pcp-5pf8
  • GO-2026-6316 CVE-2026-55068 GHSA-x8mj-6p3q-g5pp
  • GO-2026-6317 CVE-2026-55588 GHSA-298f-872v-2rcx
  • GO-2026-6318 CVE-2026-55621 GHSA-64f3-v33m-w89f
  • GO-2026-6319 CVE-2026-55622 GHSA-c9f5-j9c3-mhrg
  • GO-2026-6320 CVE-2026-55245 GHSA-w98g-5w9p-p3rc
  • GO-2026-6321 CVE-2026-55484 GHSA-hr6j-w4mw-g9mj
  • GO-2026-6322 CVE-2026-55678 GHSA-p378-jp5r-gpgw
  • GO-2026-6323 CVE-2026-55763 GHSA-v358-wf77-39xv
  • GO-2026-6324 CVE-2026-55761 GHSA-x626-fcwx-f5pc
  • GO-2026-6325 CVE-2026-27878 GHSA-6xff-cpcq-vpw2
  • GO-2026-6326 CVE-2026-55784 GHSA-334q-h5g3-fpxv
  • GO-2026-6327 CVE-2026-55874 GHSA-56wq-x3wv-3ff4
  • GO-2026-6328 CVE-2026-55785 GHSA-fp46-6vfw-gc9c
  • GO-2026-6329 CVE-2026-55873 GHSA-hgpf-8634-g44c
  • GO-2026-6330 CVE-2026-55764 GHSA-mrpp-v6pg-p54x
  • GO-2026-6333 CVE-2026-25712 GHSA-37w2-86g3-h4qh
  • GO-2026-6334 CVE-2026-24690 GHSA-47rq-xp99-92mx
  • GO-2026-6335 CVE-2026-27657 GHSA-4c8f-3m6h-m56r
  • GO-2026-6336 CVE-2026-26232 GHSA-5v69-g2m3-3hq3
  • GO-2026-6337 CVE-2026-28705 GHSA-7jvx-g65v-r899
  • GO-2026-6338 CVE-2026-22547 GHSA-922f-hfwp-p56f
  • GO-2026-6339 CVE-2026-20909 GHSA-fhq3-p242-2qpf
  • GO-2026-6340 CVE-2026-25718 GHSA-h697-89cp-24q8
  • GO-2026-6341 CVE-2026-26307 GHSA-h9c5-x7g8-4q7f
  • GO-2026-6342 CVE-2026-26247 GHSA-m5ch-ppfx-xv3v
  • GO-2026-6354 CVE-2026-78662
  • GO-2026-6355 CVE-2026-56855
  • Update to version 0.0.20260828T144745 2026-08-28T14:47:45Z.
  • GO-2026-6303 CVE-2026-56854
Record
SUSE-SU-2026:23712-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
code.gitea.io/gitea
Go
 before 1.25.5
1.25.5
govulncheck-vulndb
SUSE:Linux Enterprise Server 16.0
From an advisory covering 39 CVEs
 before 0.0.20260902T191204-160000.1.1
0.0.20260902T191204-160000.1.1
govulncheck-vulndb
SUSE:Linux Enterprise Server for SAP applications 16.0
From an advisory covering 39 CVEs
 before 0.0.20260902T191204-160000.1.1
0.0.20260902T191204-160000.1.1
govulncheck-vulndb
openSUSE:Leap 16.0
From an advisory covering 39 CVEs
 before 0.0.20260902T191204-160000.1.1
0.0.20260902T191204-160000.1.1

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-27657 is a high vulnerability (CVSS 7.5) in Gitea Open Source Git Server, published July 3, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 39th percentile. Fixed in code.gitea.io/gitea 1.25.5.

References

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